internal fix

Author: guidosabatini-sysdata

R.objc/Sources/ThemesGenerator.m

@@ -132,7 +132,6 @@ - (BOOL)writeInResourceFileWithError:(NSError *__autoreleasing *)error
 
                 NSString* implString = [NSString stringWithFormat:@"return SDThemeManagerValueForConstant(@\"%@\");", key];
                 impl = [[RMethodImplementation alloc] initWithReturnType:valueType signature:key implementation:implString];
-                [clazz.implementation.methods addObject:impl];
             } else {
                 NSString* codableKey = [CommonUtils codableNameFromString:key];
                 method = [[RMethodSignature alloc] initWithReturnType:@"void" signature:[codableKey stringByAppendingString:@":"]];