[gnome-user-docs] Update .gitignore

[Petr Kovář <pmkovar src gnome org>]

commit 0b310ef47292ec3d7e816531a8356c5ec067b19c
Author: Petr Kovar <pkovar redhat com>
Date:   Tue Aug 8 16:24:38 2017 +0200

    Update .gitignore

 .gitignore |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 523da97..809bc1f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,10 +11,13 @@ Makefile.in
 /configure
 /install-sh
 /missing
-/gnome-doc-utils.make
-/gnome-help/*/*.mo
 /gnome-help/*/*.page
 /gnome-help/*/*.stamp
 /gnome-help/*/legal.xml
 !/gnome-help/C/*.page
 !/gnome-help/C/legal.xml
+/system-admin-guide/*/*.page
+/system-admin-guide/*/*.stamp
+/system-admin-guide/*/*.xml
+!/system-admin-guide/C/*.page
+!/system-admin-guide/C/*.xml
\ No newline at end of file