Remove sidebar scrolling

Fixes #473

app/components/Sidebar/Sidebar.js

@@ -29,7 +29,6 @@ type Props = {
 @observer
 class Sidebar extends Component {
   props: Props;
-  scrollable: ?HTMLDivElement;
 
   handleCreateCollection = () => {
     this.props.ui.setActiveModal('collection-new');
@@ -39,20 +38,6 @@ class Sidebar extends Component {
     this.props.ui.setActiveModal('collection-edit');
   };
 
-  setScrollableRef = ref => {
-    this.scrollable = ref;
-  };
-
-  scrollToActiveDocument = ref => {
-    const scrollable = this.scrollable;
-    if (!ref || !scrollable) return;
-
-    const container = scrollable.getBoundingClientRect();
-    const bounds = ref.getBoundingClientRect();
-    const scrollTop = bounds.top + container.top;
-    scrollable.scrollTop = scrollTop;
-  };
-
   render() {
     const { auth, ui } = this.props;
     const { user, team } = auth;
@@ -71,7 +56,7 @@ class Sidebar extends Component {
         />
 
         <Flex auto column>
-          <Scrollable innerRef={this.setScrollableRef}>
+          <Scrollable>
             <Section>
               <SidebarLink to="/dashboard" icon={<HomeIcon />}>
                 Home
@@ -88,7 +73,6 @@ class Sidebar extends Component {
                 history={this.props.history}
                 location={this.props.location}
                 onCreateCollection={this.handleCreateCollection}
-                activeDocumentRef={this.scrollToActiveDocument}
               />
             </Section>
           </Scrollable>