Defalias cider-project-directory-for' to clojure-project-dir'

Resolve a duplicate `cider-project-directory-for' functionality against
clojure-mode project

Author: ajchemist

cider-interaction.el

@@ -468,11 +468,7 @@ is ambiguity, therefore nil is returned."
       (file-name-directory buffer-file-name)
     default-directory))
 
-(defun cider-project-directory-for (dir-name)
-  "Return the project directory for the specified DIR-NAME."
-  (when dir-name
-    (or (locate-dominating-file dir-name "project.clj")
-        (locate-dominating-file dir-name "build.boot"))))
+(defalias cider-project-directory-for clojure-project-dir)
 
 (defun cider-set-relevant-connection (&optional do-prompt)
   "Try to set the current REPL buffer based on the the current Clojure source buffer.