VideoCommon: Drop GetConfigName.

We're past 5.0 now, so there is no need to look for old inis.

Source/Android/jni/MainAndroid.cpp

@@ -143,7 +143,7 @@ void Host_SetWiiMoteConnectionState(int _State)
 {
 }
 
-void Host_ShowVideoConfig(void*, const std::string&, const std::string&)
+void Host_ShowVideoConfig(void*, const std::string&)
 {
 }