bitbake: server/process: Simplfy idle callback handler function

Having the idle callbacks abstracted via the configuration object
makes no sense. Its like this for historical reasons from the
multiple server backends but we don't need this now so simplfy.

(Bitbake rev: e56c49717355c9493b07d5fc80981a95ad8a0ec8)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/server/process.py

@@ -467,11 +467,10 @@ class BitBakeServer(object):
         sys.stdout.flush()
 
         server = ProcessServer(self.bitbake_lock, self.sock, self.sockname)
-        self.configuration.setServerRegIdleCallback(server.register_idle_function)
         os.close(self.readypipe)
         writer = ConnectionWriter(self.readypipein)
         try:
-            self.cooker = bb.cooker.BBCooker(self.configuration, self.featureset)
+            self.cooker = bb.cooker.BBCooker(self.configuration, self.featureset, server.register_idle_function)
         except bb.BBHandledException:
             return None
         writer.send("r")