GN Templates: Move common_inherited_config to the template.

webrtc/voice_engine/BUILD.gn

Index: webrtc/voice_engine/BUILD.gn
diff --git a/webrtc/voice_engine/BUILD.gn b/webrtc/voice_engine/BUILD.gn
index 7b1771766c3a56a74b5b5d57620dafad75dd9bc8..54b7ae7b1ba0b449182a4fb58e29ad817a25879e 100644
--- a/webrtc/voice_engine/BUILD.gn
+++ b/webrtc/voice_engine/BUILD.gn
@@ -78,8 +78,6 @@ rtc_source_set("voice_engine") {
     ]
   }
 
-  public_configs = [ "..:common_inherited_config" ]
-
   if (is_clang) {
     # Suppress warnings from Chrome's Clang plugins.
     # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
@@ -112,8 +110,6 @@ rtc_source_set("level_indicator") {
     "level_indicator.h",
   ]
 
-  public_configs = [ "..:common_inherited_config" ]
-
   deps = [
     "..:webrtc_common",
     "../base:rtc_base_approved",