remove EditorConfig hack for account announcements

fixes CNVS-34186

test plan:
- try various combinations of adding and editing account global
announcements
- try in various browsers
- the tinymce editor should be configured with two rows of buttons, not
three

Change-Id: I09acee9a233f15707301ec5afa899cda4de78169
Reviewed-on: https://gerrit.instructure.com/99025
Tested-by: Jenkins
Reviewed-by: Ryan Shaw <ryan@instructure.com>
QA-Review: Jeremy Putnam <jeremyp@instructure.com>
Product-Review: Simon Williams <simon@instructure.com>

Author: simonista

app/stylesheets/pages/account_settings/_account_settings.scss

@@ -184,3 +184,7 @@
 .hidden_form {
   display: none;
 }
+
+textarea#account_notification_message, .edit_notification_form textarea {
+  width: 500px;
+}

public/javascripts/account_settings.js

@@ -15,22 +15,6 @@ define([
   'jqueryui/tabs' // /\.tabs/
 ], function(I18n, $, EditorConfig, globalAnnouncements) {
 
-  EditorConfig.prototype.balanceButtonsOverride = function(instructure_buttons) {
-    var instBtnGroup = "table,instructure_links,unlink" + instructure_buttons;
-    var top_row_buttons = "";
-    var bottom_row_buttons = "";
-
-    top_row_buttons = this.formatBtnGroup + "," + this.positionBtnGroup;
-    bottom_row_buttons = instBtnGroup + "," + this.fontBtnGroup;
-
-    return [top_row_buttons, bottom_row_buttons];
-  };
-
-  EditorConfig.prototype.toolbar = function() {
-    var instructure_buttons = this.buildInstructureButtons();
-    return this.balanceButtonsOverride(instructure_buttons);
-  }
-
   $(document).ready(function() {
     checkFutureListingSetting = function() {
 

public/javascripts/global_announcements.js

@@ -83,7 +83,6 @@ define([
     },
 
     augmentView: function(){
-      $("#add_notification_form textarea").width('100%');
       $("textarea.edit_notification_form, #add_notification_form textarea").each(function(i){
         RichContentEditor.loadNewEditor($(this));
       })