chore: remove unused code

src/main/frontend/util/priority.cljs

@@ -4,20 +4,6 @@
             [frontend.util :as util]
             [frontend.util.marker :as marker]))
 
-(defn cycle-priority-state
-  [content]
-  (let [priority-reg #"\[#([ABC]{1})\]\s{1}"
-        priority (last (util/safe-re-find priority-reg content))
-        next-priority (case priority
-                        "A" "B"
-
-                        "B" "C"
-
-                        "C" nil
-
-                        "A")]
-    (and next-priority (util/format "[#%s]" next-priority))))
-
 (defn add-or-update-priority
   [content format priority]
   (let [priority-pattern  #"(\[#[ABC]\])?\s?"