ref(toolbar): remove old recording button logic

modules/UI/UI.js

 UI.updateLocalRole = isModerator => {
     VideoLayout.showModeratorIndicator();
 
-    Recording.showRecordingButton(isModerator);
-
     if (isModerator) {
         if (!interfaceConfig.DISABLE_FOCUS_INDICATOR) {
             messageHandler.participantNotification(

modules/UI/recording/Recording.js

-/* global APP, $, config, interfaceConfig */
+/* global APP, config, interfaceConfig */
 /*
  * Copyright @ 2015 Atlassian Pty Ltd
  *
 
 /**
  * Manages the recording user interface and user experience.
- * @type {{init, initRecordingButton, showRecordingButton, updateRecordingState,
- * updateRecordingUI, checkAutoRecord}}
+ * @type {{init, updateRecordingState, updateRecordingUI, checkAutoRecord}}
  */
 const Recording = {
     /**
             Object.assign(this, RECORDING_TRANSLATION_KEYS);
         }
 
-        // XXX Due to the React-ification of Toolbox, the HTMLElement with id
-        // toolbar_button_record may not exist yet.
-        $(document).on(
-            'click',
-            '#toolbar_button_record',
-            ev => this._onToolbarButtonClick(ev));
-
         this.eventEmitter.on(UIEvents.TOGGLE_RECORDING,
             () => this._onToolbarButtonClick());
 
         }
     },
 
-    /**
-     * Initialise the recording button.
-     */
-    initRecordingButton() {
-        const selector = $('#toolbar_button_record');
-
-        selector.addClass(this.baseClass);
-        selector.attr('data-i18n', `[content]${this.recordingButtonTooltip}`);
-        APP.translation.translateElement(selector);
-    },
-
-    /**
-     * Shows or hides the 'recording' button.
-     * @param show {true} to show the recording button, {false} to hide it
-     */
-    showRecordingButton(show) {
-        const shouldShow = show && _isRecordingButtonEnabled();
-        const id = 'toolbar_button_record';
-
-        UIUtil.setVisible(id, shouldShow);
-    },
-
     /**
      * Updates the recording state UI.
      * @param recordingState gives us the current recording state
                 showSpinner: recordingState === JitsiRecordingStatus.RETRYING
             };
 
-            this._setToolbarButtonToggled(true);
             isRecording = true;
 
             break;
                     : this.recordingOffKey
             };
 
-            this._setToolbarButtonToggled(false);
-
             setTimeout(() => {
                 APP.store.dispatch(hideRecordingLabel());
             }, 5000);
                 key: this.recordingPendingKey
             };
 
-            this._setToolbarButtonToggled(false);
-
             break;
         }
 
                 key: this.recordingErrorKey
             };
 
-            this._setToolbarButtonToggled(false);
-
             break;
         }
 
             });
         }
         }
-    },
-
-    /**
-     * Sets the toggled state of the recording toolbar button.
-     *
-     * @param {boolean} isToggled indicates if the button should be toggled
-     * or not
-     */
-    _setToolbarButtonToggled(isToggled) {
-        $('#toolbar_button_record').toggleClass('toggled', isToggled);
     }
 };