Back out "[RN] Fix layout animation crash"

Summary: Original commit changeset: 41200e572ed7

Reviewed By: mdvacca

Differential Revision: D15485156

fbshipit-source-id: d0868a03b7186bb33998afc2c99dd85f31c8fef9

ReactAndroid/src/main/java/com/facebook/react/uimanager/NativeViewHierarchyManager.java

@@ -444,7 +444,7 @@ public class NativeViewHierarchyManager {
             arrayContains(tagsToDelete, viewToRemove.getId())) {
           // The view will be removed and dropped by the 'delete' layout animation
           // instead, so do nothing
-        } else if (viewToManage != null) {
+        } else {
           viewManager.removeViewAt(viewToManage, normalizedIndexToRemove);
         }