Removed useless pragmas

source/external/src/mac/CursorHelper.mm

@@ -6,15 +6,12 @@
 + (NSCursor *)getCursorForSelector:(SEL)selector defaultCursor:(NSCursor *)defaultCursor {
     NSCursor *cursor = nil;
 
-	#pragma clang diagnostic push
-    #pragma clang diagnostic ignored "-Wundeclared-selector"
     if ([NSCursor respondsToSelector:selector]) {
         cursor = [NSCursor performSelector:selector];
     } else {
 		NSLog(@"CursorHelper: selector %@ not found", NSStringFromSelector(selector));
         cursor = defaultCursor;
     }
-    #pragma clang diagnostic pop
 
     return cursor;
 }

source/external/src/mac/Mac.mm

@@ -28,9 +28,6 @@
 
 namespace ExternalMac {
 	bool setCursorIcon(int icon/*, const char *customCursor, float customX, float customY*/) {
-		#pragma clang diagnostic push
-		#pragma clang diagnostic ignored "-Wundeclared-selector"
-
 		NSCursor *cursor = nil;
 		switch(icon) {
 			case ARROW: cursor = [NSCursor arrowCursor]; break;
@@ -73,8 +70,6 @@ namespace ExternalMac {
 			case CUSTOM: cursor = [NSCursor arrowCursor]; break;
 		}
 
-		#pragma clang diagnostic pop
-
 		if(cursor != nil) {
 			[cursor set];