removed unused lint

Author: gaaclarke

shell/platform/darwin/ios/framework/Source/FlutterDartProject.mm

@@ -173,6 +173,8 @@ static BOOL DoesHardwareSupportWideGamut() {
   // As of Xcode 14.1, the wide gamut surface pixel formats are not supported by
   // the simulator.
   settings.enable_wide_gamut = false;
+  // Removes unused function warning.
+  (void)DoesHardwareSupportWideGamut;
 #else
   NSNumber* nsEnableWideGamut = [mainBundle objectForInfoDictionaryKey:@"FLTEnableWideGamut"];
   BOOL enableWideGamut =