[gedit-latex] Removed three more unused colors from preferences

[Pietro Battiston <pbattiston src gnome org>]

commit 38866d65c4a936563d51c6f4806ffe03ffa9f98d
Author: Pietro Battiston <pbattiston src gnome org>
Date:   Mon Mar 21 09:51:25 2016 +0100

    Removed three more unused colors from preferences

 ...org.gnome.gedit.plugins.latex.gschema.xml.in.in |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/data/org.gnome.gedit.plugins.latex.gschema.xml.in.in 
b/data/org.gnome.gedit.plugins.latex.gschema.xml.in.in
index 8981576..d73650f 100644
--- a/data/org.gnome.gedit.plugins.latex.gschema.xml.in.in
+++ b/data/org.gnome.gedit.plugins.latex.gschema.xml.in.in
@@ -68,15 +68,6 @@
     <key name="light-foreground-color" type="s">
       <default>'#957d47'</default>
     </key>
-    <key name="template-background-color" type="s">
-      <default>'#f2f7ff'</default>
-    </key>
-    <key name="placeholder-background-color" type="s">
-      <default>'#d6e4ff'</default>
-    </key>
-    <key name="placeholder-foreground-color" type="s">
-      <default>'#2a66e1'</default>
-    </key>
 
     <key name="recent-listing-language" type="s">
       <default>'Python'</default>