a safer way to hide the CC grabber

Tweak.x

@@ -1,3 +1,7 @@
+@interface CSTeachableMomentsContainerView { }
+@property (nonatomic,retain) UIView * controlCenterGrabberView;
+@end
+
 %hook UIStatusBar_Modern
 -(void)setAlpha:(CGFloat)arg1 {
   %orig(0.0); // makes status bar transparent on lock screen
@@ -5,8 +9,9 @@
 
 %end
 
-%hook SBDashBoardTeachableMomentsContainerView
--(void)_addControlCenterTutors {
-  // Nothing here to prevent the cc grabber from showing
+%hook CSTeachableMomentsContainerView
+- (void)layoutSubviews {
+    [self.controlCenterGrabberView setHidden:YES];
+    return %orig;
 }
-%end
+%end