fix(iOS): remove current index check (#768)

Author: okwasniewski

ios/Fabric/RNCPagerViewComponentView.mm

@@ -192,10 +192,6 @@ - (void)enableSwipe {
 - (void)goTo:(NSInteger)index animated:(BOOL)animated {
     NSInteger numberOfPages = _nativeChildrenViewControllers.count;
 
-    if (index == _currentIndex) {
-        return;
-    }
-    
     [self disableSwipe];
 
     _destinationIndex = index;