Removes queries elements from example app manifest.

Author: rharter

examples/android/src/main/AndroidManifest.xml

@@ -66,7 +66,4 @@
                 android:resource="@xml/provider_paths" />
         </provider>
     </application>
-    <queries>
-        <package android:name="com.dropbox.android" />
-    </queries>
 </manifest>