iOS build fixes

example/ios/Podfile

@@ -37,11 +37,5 @@ end
 post_install do |installer|
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
-      target.build_configurations.each do |config|
-        target.build_settings(config.name)['CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES'] = 'YES'
-      end
-  end
-  installer.pods_project.build_configuration_list.build_configurations.each do |configuration|
-    configuration.build_settings['CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES'] = 'YES'
   end
 end