[gnome-boxes] build: do not mention gnome-doc-utils.make as it doesn't exist

[Frederic Peters <fpeters src gnome org>]

commit fc679d69934aaf5a2bbd21e815cbea8e433746d4
Author: FrÃdÃric PÃters <fpeters 0d be>
Date:   Tue Nov 6 10:03:41 2012 +0100

    build: do not mention gnome-doc-utils.make as it doesn't exist

 Makefile.am |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 8aec962..95b8421 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,7 +10,6 @@ INTLTOOL_FILES =				\
 	$(NULL)
 
 DISTCLEANFILES =				\
-	gnome-doc-utils.make			\
 	intltool-extract			\
 	intltool-merge				\
 	intltool-update				\