Hide section headline for timelines in production (#7590)

* Hide section headline for timelines in production

* comment out

app/javascript/mastodon/features/community_timeline/components/section_headline.js

@@ -0,0 +1,59 @@
+import PropTypes from 'prop-types';
+import React, { Component, Fragment } from 'react';
+import { FormattedMessage } from 'react-intl';
+import { NavLink } from 'react-router-dom';
+
+export default class SectionHeadline extends Component {
+
+  static propTypes = {
+    timelineId: PropTypes.string.isRequired,
+    to: PropTypes.string.isRequired,
+    pinned: PropTypes.bool.isRequired,
+    onlyMedia: PropTypes.bool.isRequired,
+    onClick: PropTypes.func,
+  };
+
+  shouldComponentUpdate (nextProps) {
+    return (
+      this.props.onlyMedia !== nextProps.onlyMedia ||
+      this.props.pinned !== nextProps.pinned ||
+      this.props.to !== nextProps.to ||
+      this.props.timelineId !== nextProps.timelineId
+    );
+  }
+
+  handleClick = e => {
+    const { onClick } = this.props;
+
+    if (typeof onClick === 'function') {
+      e.preventDefault();
+
+      onClick.call(this, e);
+    }
+  }
+
+  render () {
+    const { timelineId, to, pinned, onlyMedia } = this.props;
+
+    return (
+      <div className={`${timelineId}-timeline__section-headline`}>
+        {pinned ? (
+          <Fragment>
+            <a href={to} className={!onlyMedia ? 'active' : undefined} onClick={this.handleClick}>
+              <FormattedMessage id='timeline.posts' defaultMessage='Toots' />
+            </a>
+            <a href={`${to}/media`} className={onlyMedia ? 'active' : undefined} onClick={this.handleClick}>
+              <FormattedMessage id='timeline.media' defaultMessage='Media' />
+            </a>
+          </Fragment>
+        ) : (
+          <Fragment>
+            <NavLink exact to={to} replace><FormattedMessage id='timeline.posts' defaultMessage='Toots' /></NavLink>
+            <NavLink exact to={`${to}/media`} replace><FormattedMessage id='timeline.media' defaultMessage='Media' /></NavLink>
+          </Fragment>
+        )}
+      </div>
+    );
+  }
+
+}