Remove deprecated Telecom APIs

This APIs are no longer used and are safe to delete.

Bug: 18607657
Change-Id: I94dad196db9f8be544f05b12b7b71de124fc9328

telecomm/java/android/telecom/Connection.java

@@ -839,11 +839,6 @@ public abstract class Connection implements IConferenceable {
         return mConnectionCapabilities;
     }
 
-    /** @hide */
-    @SystemApi @Deprecated public final int getCallCapabilities() {
-        return getConnectionCapabilities();
-    }
-
     /**
      * Sets the value of the {@link #getAddress()} property.
      *
@@ -1031,11 +1026,6 @@ public abstract class Connection implements IConferenceable {
         }
     }
 
-    /** @hide */
-    @SystemApi @Deprecated public final void setCallCapabilities(int connectionCapabilities) {
-        setConnectionCapabilities(connectionCapabilities);
-    }
-
     /**
      * Sets the connection's capabilities as a bit mask of the {@code CAPABILITY_*} constants.
      *