Renove duplicate code.

lisp/vc/vc-filewise.el

@@ -81,38 +81,4 @@ If the file is not registered, or the master name is not known, return nil."
 	  (vc-file-setprop file 'vc-name result)
 	nil))))				; Not registered
 
-(defun vc-check-master-templates (file templates)
-  "Return non-nil if there is a master corresponding to FILE.
-
-TEMPLATES is a list of strings or functions.  If an element is a
-string, it must be a control string as required by `format', with two
-string placeholders, such as \"%sRCS/%s,v\".  The directory part of
-FILE is substituted for the first placeholder, the basename of FILE
-for the second.  If a file with the resulting name exists, it is taken
-as the master of FILE, and returned.
-
-If an element of TEMPLATES is a function, it is called with the
-directory part and the basename of FILE as arguments.  It should
-return non-nil if it finds a master; that value is then returned by
-this function."
-  (let ((dirname (or (file-name-directory file) ""))
-        (basename (file-name-nondirectory file)))
-    (catch 'found
-      (mapcar
-       (lambda (s)
-	 (let ((trial (vc-possible-master s dirname basename)))
-	   (when (and trial (file-exists-p trial)
-		      ;; Make sure the file we found with name
-		      ;; TRIAL is not the source file itself.
-		      ;; That can happen with RCS-style names if
-		      ;; the file name is truncated (e.g. to 14
-		      ;; chars).  See if either directory or
-		      ;; attributes differ.
-		      (or (not (string= dirname
-					(file-name-directory trial)))
-			  (not (equal (file-attributes file)
-				      (file-attributes trial)))))
-	       (throw 'found trial))))
-       templates))))
-
 (provide 'vc-filewise)