chore: remove redundant functions

src/main/frontend/security.cljs

@@ -1,29 +1,6 @@
 (ns frontend.security
   "Provide security focused fns like preventing XSS attacks"
-  (:require [clojure.walk :as walk]
-            [frontend.util :as util]
-            ["dompurify" :as DOMPurify]))
-
-;; To prevent from cross-site scripting vulnerability, we should add security checks for both hiccup and raw html.
-;; Hiccup: [:a {:href "javascript:alert('hei')"} "click me"]
-
-(defn javascript-link?
-  [f]
-  (and
-   (vector? f)
-   (= :a (first f))
-   (:href (second f))
-   (:href (second f))
-   (util/safe-re-find #"(?i)javascript" (:href (second f)))))
-
-(defn remove-javascript-links-in-href
-  [hiccup]
-  (walk/postwalk
-   (fn [f]
-     (if (javascript-link? f)
-       (update f 1 dissoc :href)
-       f))
-   hiccup))
+  (:require ["dompurify" :as DOMPurify]))
 
 (def sanitization-options (clj->js {:ADD_TAGS ["iframe"]
                                     :ALLOW_UNKNOWN_PROTOCOLS true