[gitg] Remove external diff setting

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 0f51cdee18920ecc633a2a875c0c30a440b9afb7
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Jul 7 11:25:55 2013 +0200

    Remove external diff setting

 data/org.gnome.gitg.gschema.xml.in.in |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/data/org.gnome.gitg.gschema.xml.in.in b/data/org.gnome.gitg.gschema.xml.in.in
index 5da75a4..40718c2 100644
--- a/data/org.gnome.gitg.gschema.xml.in.in
+++ b/data/org.gnome.gitg.gschema.xml.in.in
@@ -114,15 +114,6 @@
       </_description>
     </key>
   </schema>
-  <schema gettext-domain="@GETTEXT_PACKAGE@" id="org.gnome.gitg.preferences.diff" 
path="/org/gnome/gitg/preferences/diff/">
-    <key name="external" type="b">
-      <default>false</default>
-      <_summary>Allow External Diff Program</_summary>
-      <_description>
-        Allow an external diff program to be used when viewing diffs in gitg.
-      </_description>
-    </key>
-  </schema>
   <schema gettext-domain="@GETTEXT_PACKAGE@" id="org.gnome.gitg.preferences.hidden" 
path="/org/gnome/gitg/preferences/hidden/">
     <key name="sign-tag" type="b">
       <default>true</default>