Remove redundant vvm3_enabled bool

 * This does not do anything since VisualVoicemailProtocolFactory
   is removed in 2018.

Change-Id: I0fb6dfaf149882a1a466106ef343960f61b717d6
diff --git a/res/values/config.xml b/res/values/config.xml
index 7e71068..5ade479 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -211,9 +211,6 @@
     CarrierConfigManager.KEY_CARRIER_VVM_PACKAGE_NAME_STRING does not handle it -->
     <string name="system_visual_voicemail_client" translatable="false"/>
 
-    <!-- Flag to enable VVM3 visual voicemail. VVM3 is used by Verizon Wireless. -->
-    <bool name="vvm3_enabled">false</bool>
-
     <!-- Flag indicating whether to allow pstn phone accounts [DO NOT TRANSLATE] -->
     <bool name="config_pstn_phone_accounts_enabled">true</bool>