Remove unnecessary capabilities

ChromaKeyDemo/Properties/WMAppManifest.xml

@@ -5,8 +5,6 @@
     <IconPath IsRelative="true" IsResource="false">Assets\ApplicationIcon.png</IconPath>
     <Capabilities>
       <Capability Name="ID_CAP_ISV_CAMERA" />
-      <Capability Name="ID_CAP_MICROPHONE" />
-      <Capability Name="ID_CAP_NETWORKING" />
       <Capability Name="ID_CAP_MEDIALIB_PLAYBACK" />
     </Capabilities>
     <Tasks>