babel: Remove unused variable

	* ob-C.el (org-babel-C-execute): Remove unused variable

lisp/ob-C.el

@@ -89,7 +89,6 @@ or `org-babel-execute:c++'."
 			 ((equal org-babel-c-variant 'c) ".c")
 			 ((equal org-babel-c-variant 'cpp) ".cpp"))))
          (tmp-bin-file (org-babel-temp-file "C-bin-"))
-         (tmp-out-file (org-babel-temp-file "C-out-"))
          (cmdline (cdr (assoc :cmdline params)))
          (flags (cdr (assoc :flags params)))
          (full-body (org-babel-C-expand body params))