8240262: iOS refresh rate is capped to 30 Hz

Reviewed-by: jvos

Author: Jose Pereda

modules/javafx.graphics/src/main/native-glass/ios/GlassViewGL.m

@@ -230,8 +230,6 @@ - (id)initWithFrame:(CGRect)frame withJview:(jobject)jView withJproperties:(jobj
             if ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending) {
                 displayLink = [[UIScreen mainScreen] displayLinkWithTarget:[GlassTimer getDelegate]
                                                                   selector:@selector(displayLinkUpdate:)];
-                // 1 is 60hz, 2 is 30 Hz, 3 is 20 Hz ...
-                [displayLink setFrameInterval:2];
                 [displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
                 [displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:UITrackingRunLoopMode];
                 GLASS_LOG("GlassViewGL: displayLink SET");