fix(format): register shfmt for sh-mode

Apheleia already has a (and better) definition for shfmt.

Fix: #5268

modules/lang/sh/config.el

@@ -18,10 +18,6 @@
   :config
   (set-docsets! 'sh-mode "Bash")
   (set-electric! 'sh-mode :words '("else" "elif" "fi" "done" "then" "do" "esac" ";;"))
-  (set-formatter! 'shfmt '("shfmt" "-ci"
-                           (unless indent-tabs-mode
-                             (list "-i" (number-to-string tab-width)))))
-
   (set-repl-handler! 'sh-mode #'+sh/open-repl)
   (set-lookup-handlers! 'sh-mode :documentation #'+sh-lookup-documentation-handler)
   (set-ligatures! 'sh-mode