[Telephony] Remove the dead code setRadioCapability in PhoneInterfaceManager

Bug: 181156124
Test: make
Change-Id: Id4268a1e84f87da01b5f935b24b876baf7543511
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index eac13bb..08ca828 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -7011,15 +7011,6 @@
     }
 
     @Override
-    public void setRadioCapability(RadioAccessFamily[] rafs) {
-        try {
-            ProxyController.getInstance().setRadioCapability(rafs);
-        } catch (RuntimeException e) {
-            Log.w(LOG_TAG, "setRadioCapability: Runtime Exception");
-        }
-    }
-
-    @Override
     public int getRadioAccessFamily(int phoneId, String callingPackage) {
         Phone phone = PhoneFactory.getPhone(phoneId);
         try {