[ios] Removed not needed old work-around for correct multiple threads support.

iphone/Maps/main.mm

@@ -7,16 +7,6 @@
 #include "../../platform/platform.hpp"
 #include "../../platform/settings.hpp"
 
-
-/// Used to trick iOs and enable multithreading support with non-native pthreads.
-@interface Dummy : NSObject 
-- (void) dummyThread: (id) obj;
-@end
-
-@implementation Dummy
-- (void) dummyThread: (id) obj {}
-@end
-
 int main(int argc, char * argv[])
 {
 #ifdef MWM_LOG_TO_FILE
@@ -27,10 +17,6 @@ int main(int argc, char * argv[])
   int retVal;
   @autoreleasepool
   {
-    Dummy * dummy = [Dummy alloc];
-    NSThread * thread = [[NSThread alloc] initWithTarget:dummy selector:@selector(dummyThread:) object:nil];
-    [thread start];
-
     retVal = UIApplicationMain(argc, argv, nil, nil);
   }
   return retVal;