DEV: Remove duplicate `filterable` option in tag-drop (#13640)

DEV: Remove duplicate filterable option in tag-drop (#13640)

Has no effect and raises a console deprecation warning.

diff --git a/app/assets/javascripts/select-kit/addon/components/tag-drop.js b/app/assets/javascripts/select-kit/addon/components/tag-drop.js
index db19faa..7ef5901 100644
--- a/app/assets/javascripts/select-kit/addon/components/tag-drop.js
+++ b/app/assets/javascripts/select-kit/addon/components/tag-drop.js
@@ -1,4 +1,4 @@
-import { equal, gte, readOnly } from "@ember/object/computed";
+import { equal, readOnly } from "@ember/object/computed";
 import { i18n, setting } from "discourse/lib/computed";
 import ComboBoxComponent from "select-kit/components/combo-box";
 import DiscourseURL, { getCategoryAndTagUrl } from "discourse/lib/url";
@@ -43,8 +43,6 @@ export default ComboBoxComponent.extend(TagsMixin, {
 
   noTagsSelected: equal("tagId", NONE_TAG_ID),
 
-  filterable: gte("content.length", 15),
-
   init() {
     this._super(...arguments);
 

GitHub sha: 48f36d43eb60343a09ad9381af1af08a7c8c11d5

This commit appears in #13640 which was approved by CvX. It was merged by pmusaraj.