Remove an obsolete defcustom

Author: bbatsov

cider-mode.el

@@ -218,23 +218,17 @@ With a prefix argument, prompt for function to run instead of -main."
     (define-key map (kbd "C-r") #'cider-insert-region-in-repl)
     (define-key map (kbd "C-n") #'cider-insert-ns-form-in-repl)))
 
-(defcustom cider-switch-to-repl-after-insert-p t
-  "Whether to switch to the repl after inserting a form into the repl."
+(defcustom cider-switch-to-repl-on-insert t
+  "Whether to switch to the REPL when inserting a form into the REPL."
   :type 'boolean
   :group 'cider
-  :package-version '(cider . "0.18.0"))
+  :package-version '(cider . "0.21.0"))
 
 (define-obsolete-variable-alias
   'cider-switch-to-repl-after-insert-p
   'cider-switch-to-repl-on-insert
   "0.21.0")
 
-(defcustom cider-switch-to-repl-on-insert t
-  "Whether to switch to the REPL when inserting a form into the REPL."
-  :type 'boolean
-  :group 'cider
-  :package-version '(cider . "0.21.0"))
-
 (defcustom cider-invert-insert-eval-p nil
   "Whether to invert the behavior of evaling.
 Default behavior when inserting is to NOT eval the form and only eval with