Remove use of SystemProperties

Remove private reference to SystemProperties, needed for Verizon
requirements (per team email discussion)

Bug: 6948882
Change-Id: Idc826e4a93609799e3c741d36fca5124abbc5bb9
diff --git a/src/com/android/dialer/dialpad/DialpadFragment.java b/src/com/android/dialer/dialpad/DialpadFragment.java
index 00b8281..72214dc 100644
--- a/src/com/android/dialer/dialpad/DialpadFragment.java
+++ b/src/com/android/dialer/dialpad/DialpadFragment.java
@@ -35,7 +35,6 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.SystemProperties;
 import android.provider.ContactsContract.Contacts;
 import android.provider.Contacts.People;
 import android.provider.Contacts.Phones;
@@ -1169,8 +1168,7 @@
             // TODO: clean it up.
             if (number != null
                     && !TextUtils.isEmpty(mProhibitedPhoneNumberRegexp)
-                    && number.matches(mProhibitedPhoneNumberRegexp)
-                    && (SystemProperties.getInt("persist.radio.otaspdial", 0) != 1)) {
+                    && number.matches(mProhibitedPhoneNumberRegexp)) {
                 Log.i(TAG, "The phone number is prohibited explicitly by a rule.");
                 if (getActivity() != null) {
                     DialogFragment dialogFragment = ErrorDialogFragment.newInstance(