writerfilter: unused fill and CT_Fill resources

These were added by commit cfc4650c
(Added some teaks to 'model.xml', 2014-09-16), but the matching dmapper
part is missing, so they aren't useful in practice, and cause a crash on
import of crashtest's File_953.docx.

Change-Id: I3d1c138534a37dc9ba500f1134ca4bb9ebae0e96

writerfilter/source/ooxml/model.xml

@@ -9449,12 +9449,6 @@
     <resource name="background" resource="Properties">
       <element name="background" tokenid="ooxml:background_background"/>
     </resource>
-    <resource name="fill" resource="Properties">
-      <element name="fill" tokenid="ooxml:fill_fill"/>
-    </resource>
-    <resource name="CT_Fill" resource="Properties">
-      <attribute name="type" tokenid="ooxml:CT_Fill_type"/>
-    </resource>
   </namespace>
   <namespace name="vml-officeDrawing">
     <start name="shapedefaults"/>