(very little) code cleanup

removed some remnants of coral CDN and yahoo

content/netError.xhtml

@@ -31,10 +31,12 @@
         value='bing' label=' &resurrect.bing;'
         image='chrome://resurrect/skin/cacheicons/bing.png'
       />
+<!-- temporary(?) disabled since not working anymore
       <xul:button
         value='gigablast' label=' &resurrect.gigablast;'
         image='chrome://resurrect/skin/cacheicons/gigablast.png'
       />
+-->
       <xul:button
         value='webcitation' label=' &resurrect.webcitation;'
         image='chrome://resurrect/skin/cacheicons/webcitation.png'

content/resurrect-select-mirror.xul

@@ -48,10 +48,12 @@ window.addEventListener('load', resurrect.loadTarget, false);
       value='bing' label=' &resurrect.bing;'
       image='chrome://resurrect/skin/cacheicons/bing.png'
     />
+<!-- temporary(?) disabled since not working anymore
     <xul:button
       value='gigablast' label=' &resurrect.gigablast;'
       image='chrome://resurrect/skin/cacheicons/gigablast.png'
     />
+-->
     <xul:button
       value='webcitation' label=' &resurrect.webcitation;'
       image='chrome://resurrect/skin/cacheicons/webcitation.png'