Remove hardcoded rule for installing addressbook.css.

Thanks to Stephen Walker <walk84@usa.net> for the patch.
Bug #72390 r=cls

themes/classic/messenger/addressbook/win/makefile.win

@@ -1,32 +0,0 @@
-#
-# The contents of this file are subject to the Netscape Public
-# License Version 1.1 (the "License"); you may not use this file
-# except in compliance with the License. You may obtain a copy of
-# the License at http://www.mozilla.org/NPL/
-#
-# Software distributed under the License is distributed on an "AS
-# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
-# implied. See the License for the specific language governing
-# rights and limitations under the License.
-#
-# The Original Code is mozilla.org code.
-#
-# The Initial Developer of the Original Code is Netscape
-# Communications Corporation.  Portions created by Netscape are
-# Copyright (C) 1998 Netscape Communications Corporation. All
-# Rights Reserved.
-#
-# Contributor(s): 
-#
-
-DEPTH		= ..\..\..\..\..
-THEME_ROOT_DEPTH = ..\..\..
-
-include <$(DEPTH)\config\rules.mak>
-include <$(THEME_ROOT_DEPTH)\theme.mk>
-
-clobber::
-	rm -f $(DIST)\chrome\skins\$(THEME)\messenger\skin\addressbook\*.*
-
-install:: 
-	$(MAKE_INSTALL) addressbook.css $(DIST)\bin\chrome\skins\$(THEME)\messenger\skin\addressbook