Remove +joker flag for clojure layer

Flycheck apparently won't complain if joker isn't installed

modules/lang/clojure/+joker.el

@@ -1,4 +0,0 @@
-;;; lang/clojure/+joker.el -*- lexical-binding: t; -*-
-
-(def-package! flycheck-joker
-  :after (flycheck clojure-mode))

modules/lang/clojure/config.el

@@ -38,5 +38,6 @@
           :localleader
           :desc "Refactor hydra" :n "r" #'hydra-cljr-help-menu/body)))
 
-(when (and (featurep! +joker) (featurep! :feature syntax-checker))
-  (load! "+joker"))
+(when (featurep! :feature syntax-checker)
+  (def-package! flycheck-joker
+    :after (flycheck clojure-mode)))

modules/lang/clojure/packages.el

@@ -4,6 +4,5 @@
 (package! cider)
 (package! clj-refactor)
 
-(when (and (featurep! :feature syntax-checker)
-           (featurep! +joker))
+(when (featurep! :feature syntax-checker)
   (package! flycheck-joker))