Fix replying not automatically switching to compose form on mobile

app/javascript/flavours/glitch/features/compose/components/compose_form.js

@@ -66,8 +66,6 @@ class ComposeForm extends ImmutablePureComponent {
     preselectOnReply: PropTypes.bool,
     onChangeSpoilerness: PropTypes.func,
     onChangeVisibility: PropTypes.func,
-    onMount: PropTypes.func,
-    onUnmount: PropTypes.func,
     onPaste: PropTypes.func,
     onMediaDescriptionConfirm: PropTypes.func,
   };
@@ -196,22 +194,6 @@ class ComposeForm extends ImmutablePureComponent {
     }
   }
 
-  //  Tells our state the composer has been mounted.
-  componentDidMount () {
-    const { onMount } = this.props;
-    if (onMount) {
-      onMount();
-    }
-  }
-
-  //  Tells our state the composer has been unmounted.
-  componentWillUnmount () {
-    const { onUnmount } = this.props;
-    if (onUnmount) {
-      onUnmount();
-    }
-  }
-
   handleFocus = () => {
     if (this.composeForm) {
       this.composeForm.scrollIntoView();