Revert "avoid null error on dispose when view has no subviews"
Revert "avoid null error on dispose when view has no subviews"

This reverts commit 4bcc1f705ca7bbd859d0ef1baacbd4aaedd3d890.

cvd/chaplin,mrb/chaplin,Everlane/chaplin,cvd/chaplin,Everlane/chaplin,EverFi/chaplin,mrb/chaplin,EverFi/chaplin,akre54/chaplin