fix: lint warning

src/main/frontend/extensions/code.cljs

@@ -130,10 +130,8 @@
             [frontend.db :as db]
             [frontend.extensions.calc :as calc]
             [frontend.handler.editor :as editor-handler]
-            [frontend.handler.file :as file-handler]
             [frontend.handler.code :as code-handler]
             [frontend.state :as state]
-            [logseq.graph-parser.utf8 :as utf8]
             [frontend.util :as util]
             [frontend.config :as config]
             [goog.dom :as gdom]