thermalservice: don't register IThermalCallback service

This service is only to be registered with IThermal 1.1 HALs via a
registration method, not for lookup via hwservicemanager.

Bug: 64986538
Bug: 30982366
Test: manual on w
Change-Id: I2c14a454dd4446267529f2e1cbf99ff23fbd1737
diff --git a/services/thermalservice/thermalserviced.cpp b/services/thermalservice/thermalserviced.cpp
index b9315b8..8e27266 100644
--- a/services/thermalservice/thermalserviced.cpp
+++ b/services/thermalservice/thermalserviced.cpp
@@ -97,18 +97,12 @@
 }
 
 void ThermalServiceDaemon::thermalCallbackStartup() {
-    status_t err;
-
     // HIDL IThermalCallback startup
     // Need at least 2 threads in thread pool since we wait for dead HAL
     // to come back on the binder death notification thread and we need
     // another thread for the incoming service now available call.
     configureRpcThreadpool(2, false /* callerWillJoin */);
     mThermalCallback = new ThermalCallback();
-    err = mThermalCallback->registerAsService();
-    ALOGE_IF(err != OK, "Cannot register %s: %d",
-        IThermalCallback::descriptor, err);
-
     // Lookup Thermal HAL and register our ThermalCallback.
     getThermalHal();
 }