Remove an unused variable in VideoConfig.cpp and SWVideoConfig.cpp

Source/Core/VideoCommon/Src/VideoConfig.cpp

@@ -49,7 +49,6 @@ VideoConfig::VideoConfig()
 
 void VideoConfig::Load(const char *ini_file)
 {
-	std::string temp;
 	IniFile iniFile;
 	iniFile.Load(ini_file);
 

Source/Plugins/Plugin_VideoSoftware/Src/SWVideoConfig.cpp

@@ -47,7 +47,6 @@ SWVideoConfig::SWVideoConfig()
 
 void SWVideoConfig::Load(const char* ini_file)
 {
-	std::string temp;
 	IniFile iniFile;
 	iniFile.Load(ini_file);