Fix eslint no-extra-bind

[MAILPOET-1145]

.eslintrc.es5.json

@@ -39,7 +39,6 @@
     "max-len": 0,
     "global-require": 0,
     "no-throw-literal": 0,
-    "no-extra-bind": 0,
     "brace-style": 0,
     "space-infix-ops": 0
   }

assets/js/src/newsletter_editor/blocks/base.js

@@ -163,7 +163,7 @@ define([
           easing: easing,
           complete: function () {
             promise.resolve();
-          }.bind(this)
+          }
         }
       ).velocity(
         fadeDirection,

assets/js/src/newsletter_editor/components/sidebar.js

@@ -70,7 +70,7 @@ define([
             easing: 'easeOut',
             complete: function () {
               $openRegion.addClass('closed');
-            }.bind(this)
+            }
           }
         );
 

assets/js/src/notice.js

@@ -94,7 +94,7 @@ define('notice', ['mailpoet', 'jquery'], function (mp, jQuery) { // eslint-disab
       // listen to message event
       jQuery(this.element).on('setMessage', function (e, message) { // eslint-disable-line func-names
         MailPoet.Notice.setMessage(message);
-      }.bind(this.element));
+      });
 
       return this;
     },