Cleaned up the SkyPlane technique.

Bin/CoreData/Techniques/DiffSkyplane.xml

@@ -1,3 +1,3 @@
-<technique vs="Unlit" ps="Unlit" >
-    <pass name="postopaque" psdefines="DIFFMAP" depthwrite="false" />
+<technique vs="Unlit" ps="Unlit" psdefines="DIFFMAP">
+    <pass name="postopaque" depthwrite="false" />
 </technique>