Remove unused component: SimpleRoomHeader (#8122)

res/css/views/rooms/_RoomHeader.scss

@@ -84,27 +84,6 @@ limitations under the License.
     align-items: center;
 }
 
-.mx_RoomHeader_simpleHeader {
-    line-height: $font-52px;
-    color: $primary-content;
-    font-size: $font-18px;
-    font-weight: $font-semi-bold;
-    overflow: hidden;
-    margin-left: 63px;
-    text-overflow: ellipsis;
-    width: 100%;
-
-    .mx_RoomHeader_cancelButton {
-        float: right;
-    }
-
-    .mx_RoomHeader_icon {
-        margin-left: 14px;
-        margin-right: 24px;
-        vertical-align: -4px;
-    }
-}
-
 .mx_RoomHeader_name {
     flex: 0 1 auto;
     overflow: hidden;

src/components/views/rooms/SimpleRoomHeader.tsx

@@ -1,53 +0,0 @@
-/*
-Copyright 2016-2021 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import React from 'react';
-
-import { replaceableComponent } from "../../../utils/replaceableComponent";
-
-interface IProps {
-    title?: string;
-    // `src` to an image. Optional.
-    icon?: string;
-}
-
-/*
- * A stripped-down room header used for things like the user settings
- * and room directory.
- */
-@replaceableComponent("views.rooms.SimpleRoomHeader")
-export default class SimpleRoomHeader extends React.PureComponent<IProps> {
-    public render(): JSX.Element {
-        let icon;
-        if (this.props.icon) {
-            icon = <img
-                className="mx_RoomHeader_icon"
-                src={this.props.icon}
-                width="25"
-                height="25"
-            />;
-        }
-
-        return (
-            <div className="mx_RoomHeader mx_RoomHeader_wrapper">
-                <div className="mx_RoomHeader_simpleHeader">
-                    { icon }
-                    { this.props.title }
-                </div>
-            </div>
-        );
-    }
-}