Disable local code signing.

Author: clobber

mGBA.xcodeproj/project.pbxproj

@@ -851,6 +851,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CODE_SIGN_IDENTITY = "";
 				COMBINE_HIDPI_IMAGES = YES;
 				EXPORTED_SYMBOLS_FILE = "";
 				FRAMEWORK_SEARCH_PATHS = "";
@@ -887,6 +888,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CODE_SIGN_IDENTITY = "";
 				COMBINE_HIDPI_IMAGES = YES;
 				EXPORTED_SYMBOLS_FILE = "";
 				FRAMEWORK_SEARCH_PATHS = "";