less logspam for expected msgs

app/src/main/java/com/geeksville/mesh/MainActivity.kt

@@ -723,15 +723,11 @@ class MainActivity : AppCompatActivity(), Logging,
                             intent.getParcelableExtra<DataPacket>(EXTRA_PAYLOAD)!!
 
                         when (payload.dataType) {
-                            Portnums.PortNum.POSITION_APP_VALUE -> {
-                                // This is expected
-                                debug("activity class ignores position messages")
-                            }
                             Portnums.PortNum.TEXT_MESSAGE_APP_VALUE -> {
                                 model.messagesState.addMessage(payload)
                             }
                             else ->
-                                warn("Ignored dataType ${payload.dataType}")
+                                debug("activity only cares about text messages, ignoring dataType ${payload.dataType}")
                         }
                     }