Revert "Add missing classes based on side"
Revert "Add missing classes based on side"

This reverts commit 358cb137cc4459dbda83d83e27a787c3ff4ae5df.

tomekwi/tree-view,tbryant/tree-view,atom/tree-view,ayumi/tree-view,rajendrant/tree-view-remote,thgaskell/tree-view,ALEXGUOQ/tree-view,learn-co/learn-ide-tree,pombredanne/tree-view-1,Galactix/tree-view,jasonhinkle/tree-view,laituan245/tree-view,jarig/tree-view,cgrabowski/webgl-studio-tree-view,benjaminRomano/tree-view,samu/tree-view,matthewbauer/tree-view