wifihal: Fix compile issue for wifi_set_latency_mode

Commit I639200fdabe9355219d725b3ed1f9d99f30bba64 removes macro
for wifi_set_latency_mode definition, but left implementation
guarded by macro which causes compile issue in pure AOSP SI.

This CL fixes this compile issue.

CRs-Fixed: 2812380
Change-Id: I506a1797335ec422b32efbde643564a10ec4e9de
diff --git a/qcwcn/wifi_hal/wificonfig.cpp b/qcwcn/wifi_hal/wificonfig.cpp
index 936f844..0afa1cd 100644
--- a/qcwcn/wifi_hal/wificonfig.cpp
+++ b/qcwcn/wifi_hal/wificonfig.cpp
@@ -948,7 +948,6 @@
     return ret;
 }
 
-#ifdef WCNSS_QTI_AOSP
 /**
  * Set latency level
  */
@@ -1040,4 +1039,3 @@
     delete wifiConfigCommand;
     return (wifi_error)ret;
 }
-#endif