Removes Empty String For Resolver

This removes the empty string here since it was overwriting anything
declared in our usual places for.

Change-Id: Ia46cc45938dfaa9a66014bfdbe8c3fd097298742

overlay/common/frameworks/base/core/res/res/values/config.xml

@@ -74,7 +74,4 @@
         <item>org.cyanogenmod.platform.internal.CMHardwareService</item>
         <item>org.cyanogenmod.platform.internal.AppSuggestManagerService</item>
     </string-array>
-
-    <!-- Enable custom resolver, so we can supply suggestions if nothing can handle the intent -->
-    <string name="config_customResolverActivity"></string>
 </resources>