Remove padal from quantized microkernel names.

- PADAL is the only variant for these microkernels.
- Remove from file names and function names.

PiperOrigin-RevId: 409461961
diff --git a/test/qs8-igemm-minmax-fp32.yaml b/test/qs8-igemm-minmax-fp32.yaml
index aabba65..c486df6 100644
--- a/test/qs8-igemm-minmax-fp32.yaml
+++ b/test/qs8-igemm-minmax-fp32.yaml
@@ -3,79 +3,79 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4s2__neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4s2__neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4s2__neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4s2__neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4s2__neonv8_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4s2__neonv8_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4s2__neonv8_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4s2__neonv8_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2s4__neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2s4__neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2s4__neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2s4__neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2s4__neonv8_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2s4__neonv8_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2s4__neonv8_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2s4__neonv8_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4__neon_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4__neon_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4__neon_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4__neon_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4__neonv8_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4__neonv8_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4__neonv8_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c4__neonv8_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2__neon_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2__neon_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2__neon_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2__neon_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2__neonv8_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c2__neonv8_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2__neonv8_mlal_padal_dup
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c2__neonv8_mlal_dup
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal_padal_prfm
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal_prfm
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal_padal_cortex_a53
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal_cortex_a53
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal_padal_prfm_cortex_a53
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__aarch64_neon_mlal_prfm_cortex_a53
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c16__aarch64_neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c16__aarch64_neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal_padal_prfm
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal_prfm
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal_padal_cortex_a53
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal_cortex_a53
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal_padal_prfm_cortex_a53
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__aarch64_neon_mlal_prfm_cortex_a53
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
 - name: xnn_qs8_igemm_minmax_fp32_ukernel_4x16__aarch64_neon_mlal_lane_prfm_cortex_a53
@@ -105,16 +105,16 @@
 - name: xnn_qs8_igemm_minmax_fp32_ukernel_4x16__neonv8_mlal_lane
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 8
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__neon_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__neon_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neon_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__neonv8_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c8__neonv8_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__neonv8_mlal_padal
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x8c8__neonv8_mlal
   init: xnn_init_qs8_conv_minmax_fp32_neonv8_params
   k-block: 16
 - name: xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4__neondot