bug-14538: Remove driver validation checks

Marked validation checks done in the driver with
TODOVV. Once we verify the check is covered in a
validation layer we can remove the driver code.
diff --git a/icd/intel/cmd_mi.c b/icd/intel/cmd_mi.c
index 63dca79..4ebefbb 100644
--- a/icd/intel/cmd_mi.c
+++ b/icd/intel/cmd_mi.c
@@ -236,7 +236,8 @@
         cmd_batch_timestamp(cmd, buf->obj.mem->bo, destOffset);
         break;
     default:
-        cmd_fail(cmd, VK_ERROR_INVALID_VALUE);
+        /* TODOVV: This should be covered by validation error */
+        cmd_fail(cmd, VK_ERROR_UNKNOWN);
         break;
     }
 }