make: remove SCCS ident stuff

@@ -22,15 +22,10 @@
  */
 /*
  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
  * Use is subject to license terms.
  */
-/*
- * @(#)misc.h 1.4 06/12/12
- */
-
-#pragma ident   "@(#)misc.h     1.4     06/12/12"
 
 #include <mksh/defs.h>
 
 extern void     append_char(wchar_t from, register String to);
 extern Property append_prop(register Name target, register Property_id type);