remove notices due to inkscape metadata

tests/data/svg/crosshair16x16.svg

@@ -13,62 +13,7 @@
    height="16"
    id="svg2"
    version="1.1"
-   inkscape:version="0.48.1 r9760"
-   sodipodi:docname="crosshair16x16.svg">
-  <defs
-     id="defs4">
-    <inkscape:path-effect
-       effect="spiro"
-       id="path-effect4389"
-       is_visible="true" />
-    <marker
-       inkscape:stockid="Arrow1Lstart"
-       orient="auto"
-       refY="0.0"
-       refX="0.0"
-       id="Arrow1Lstart"
-       style="overflow:visible">
-      <path
-         id="path3764"
-         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
-         style="fill-rule:evenodd;stroke:#000000;stroke-width:1.0pt;marker-start:none"
-         transform="scale(0.8) translate(12.5,0)" />
-    </marker>
-    <inkscape:path-effect
-       effect="spiro"
-       id="path-effect2991"
-       is_visible="true" />
-  </defs>
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0.0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="22.4"
-     inkscape:cx="6.3030809"
-     inkscape:cy="8.2034582"
-     inkscape:document-units="px"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     inkscape:window-width="1216"
-     inkscape:window-height="753"
-     inkscape:window-x="0"
-     inkscape:window-y="25"
-     inkscape:window-maximized="1" />
-  <metadata
-     id="metadata7">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
+>
   <g
      inkscape:label="Layer 1"
      inkscape:groupmode="layer"