remove old comment deleting handler

web/app/components/thread/_hidden/thread_hidden.scss

@@ -1,3 +0,0 @@
-.thread_hidden {
-  display: none;
-}

web/app/components/thread/index.js

@@ -1,5 +1,3 @@
 export { default } from './thread';
 
 require('./thread.scss');
-
-require('./_hidden/thread_hidden.scss');

web/app/components/thread/thread.jsx

@@ -3,30 +3,15 @@ import { h, Component } from 'preact';
 import Comment from 'components/comment';
 
 export default class Thread extends Component {
-  constructor(props) {
-    super(props);
-
-    this.state = {
-      hidden: false,
-    };
-
-    this.hide = this.hide.bind(this);
-  }
-
-  hide() {
-    this.setState({ hidden: true });
-  }
-
-  render(props, { hidden }) {
+  render(props) {
     const { data: { comment, replies = [] }, mix, mods = {} } = props;
 
     return (
-      <div className={b('thread', props, { hidden })}>
+      <div className={b('thread', props)}>
         <Comment
           data={comment}
           mods={{ level: mods.level }}
           onReply={props.onReply}
-          onDelete={this.hide}
         />
 
         {