Revert "create getModemEnabled function in PhoneConfigurationManager"

This reverts commit ead6a26a00e7c31de29c1036cf011f91cad8a803.

Reason for revert: Broke presubmit

Change-Id: Ic5b889314c32559c2b049df01fbdc1b2c3eb1ad6
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index d06cd60..d319f2a 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -1099,7 +1099,6 @@
                     request = (MainThreadRequest) msg.obj;
                     boolean enable = (boolean) request.argument;
                     onCompleted = obtainMessage(EVENT_ENABLE_MODEM_DONE, request);
-                    onCompleted.arg1 = enable ? 1 : 0;
                     PhoneConfigurationManager.getInstance()
                             .enablePhone(request.phone, enable, onCompleted);
                     break;
@@ -1107,9 +1106,6 @@
                     ar = (AsyncResult) msg.obj;
                     request = (MainThreadRequest) ar.userObj;
                     request.result = (ar.exception == null);
-                    //update the cache as modem status has changed
-                    mPhoneConfigurationManager.addToPhoneStatusCache(
-                            request.phone.getPhoneId(), msg.arg1 == 1);
                     updateModemStateMetrics();
                     notifyRequester(request);
                     break;