Remove redundant require

The same one exists in cider.nrepl as well.

Author: bbatsov

src/cider/nrepl/version.clj

@@ -1,8 +1,5 @@
 (ns cider.nrepl.version
-  ;; We require print-method here because `cider.nrepl.version`
-  ;; namespace is used by every connection.
   (:require
-   [cider.nrepl.print-method]
    [clojure.java.io :as io]))
 
 (def version-string