feat: remove extensions manager (#696)

* feat: remove extensions manager

* fix: remove unused code

Co-authored-by: Aman Harwara <amanharwara@protonmail.com>

app/assets/javascripts/views/footer/footer-view.pug

@@ -39,23 +39,6 @@
           app-state='ctrl.appState'
           application='ctrl.application'
           ng-if='ctrl.showQuickSettingsMenu',)
-      .sk-app-bar-item
-        a.no-decoration.sk-label.title(
-          href='https://standardnotes.com/help',
-          rel='noopener',
-          target='_blank'
-          )
-          | Help
-      .sk-app-bar-item.border
-      .sk-app-bar-item(ng-repeat='room in ctrl.rooms track by room.uuid')
-        .sk-app-bar-item-column(ng-click='ctrl.selectRoom(room)')
-          .sk-label {{room.name}}
-        component-modal(
-          component-uuid='room.uuid',
-          ng-if='ctrl.roomShowState[room.uuid]',
-          on-dismiss='ctrl.onRoomDismiss(room)',
-          application='ctrl.application'
-        )
       .sk-app-bar-item.border(ng-if="ctrl.state.showBetaWarning")
       .sk-app-bar-item(ng-if="ctrl.state.showBetaWarning")
         a.no-decoration.sk-label.title(
@@ -89,21 +72,6 @@
           )
       .sk-app-bar-item(ng-if='ctrl.offline')
         .sk-label Offline
-      .sk-app-bar-item.border(ng-if='ctrl.state.dockShortcuts.length > 0')
-      .sk-app-bar-item.dock-shortcut(ng-repeat='shortcut in ctrl.state.dockShortcuts')
-        .sk-app-bar-item-column(
-          ng-class="{'underline': shortcut.component.active}",
-          ng-click='ctrl.selectShortcut(shortcut)'
-          )
-          .div(ng-if="shortcut.icon.type == 'circle'" title='{{shortcut.name}}')
-            .sk-circle.small(
-              ng-style="{'background-color': shortcut.icon.background_color, 'border-color': shortcut.icon.border_color}"
-              )
-          .div(ng-if="shortcut.icon.type == 'svg'" title='{{shortcut.name}}')
-            .svg-item(
-              elem-ready='ctrl.initSvgForShortcut(shortcut)',
-              ng-attr-id='dock-svg-{{shortcut.component.uuid}}'
-              )
       .sk-app-bar-item.border(ng-if='ctrl.state.hasAccountSwitcher')
       .sk-app-bar-item(
         ng-if='ctrl.state.hasAccountSwitcher'