Remove redundant subfolder in iOS template

misc/dist/ios_xcode/godot_ios/main.m

@@ -31,9 +31,8 @@
 
 #import "AppDelegate.h"
 
-int main(int argc, char * argv[])
+int main(int argc, char *argv[]) {
-{
+	@autoreleasepool {
-    @autoreleasepool {
+		return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
-        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+	}
-    }
 }