Replace glitch-soc's collapsed toots with upstream's “Read more” (#2916)

* Remove glitch-soc's post collapse feature

* Get rid of the infamous `parseClick`

* Remove unused CSS

* Use upstream's “Read More” implementation

* Update translation strings

app/javascript/flavours/glitch/components/status_icons.jsx

@@ -16,12 +16,9 @@ import MusicNoteIcon from '@/material-icons/400-24px/music_note.svg?react';
 import { Icon } from 'flavours/glitch/components/icon';
 import { languages } from 'flavours/glitch/initial_state';
 
-import { CollapseButton } from './collapse_button';
 import { VisibilityIcon } from './visibility_icon';
 
 const messages = defineMessages({
-  collapse: { id: 'status.collapse', defaultMessage: 'Collapse' },
-  uncollapse: { id: 'status.uncollapse', defaultMessage: 'Uncollapse' },
   inReplyTo: { id: 'status.in_reply_to', defaultMessage: 'This toot is a reply' },
   previewCard: { id: 'status.has_preview_card', defaultMessage: 'Features an attached preview card' },
   pictures: { id: 'status.has_pictures', defaultMessage: 'Features attached pictures' },
@@ -53,22 +50,10 @@ class StatusIcons extends PureComponent {
   static propTypes = {
     status: ImmutablePropTypes.map.isRequired,
     mediaIcons: PropTypes.arrayOf(PropTypes.string),
-    collapsible: PropTypes.bool,
-    collapsed: PropTypes.bool,
-    setCollapsed: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
     settings: ImmutablePropTypes.map.isRequired,
   };
 
-  //  Handles clicks on collapsed button
-  handleCollapsedClick = (e) => {
-    const { collapsed, setCollapsed } = this.props;
-    if (e.button === 0) {
-      setCollapsed(!collapsed);
-      e.preventDefault();
-    }
-  };
-
   renderIcon (mediaIcon) {
     const { intl } = this.props;
 
@@ -114,9 +99,6 @@ class StatusIcons extends PureComponent {
     const {
       status,
       mediaIcons,
-      collapsible,
-      collapsed,
-      setCollapsed,
       settings,
       intl,
     } = this.props;
@@ -142,7 +124,6 @@ class StatusIcons extends PureComponent {
           />}
         {settings.get('media') && !!mediaIcons && mediaIcons.map(icon => this.renderIcon(icon))}
         {settings.get('visibility') && <VisibilityIcon visibility={status.get('visibility')} />}
-        {collapsible && <CollapseButton collapsed={collapsed} setCollapsed={setCollapsed} />}
       </div>
     );
   }