bitbake: cooker/command: Drop async command handler indirection via cooker

Indirecting the async command handler via cooker is confusing and no
longer needed. Drop it to make things slightly clearer.

(Bitbake rev: 4a41a7d0594e6a84a67b9de70a505858aebcd84a)

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

bitbake/lib/bb/cooker.py

@@ -535,15 +535,6 @@ class BBCooker:
             logger.debug("Base environment change, triggering reparse")
             self.reset()
 
-    def runCommands(self, server, data, halt):
-        """
-        Run any queued asynchronous command
-        This is done by the idle handler so it runs in true context rather than
-        tied to any UI.
-        """
-
-        return self.command.runAsyncCommand()
-
     def showVersions(self):
 
         (latest_versions, preferred_versions, required) = self.findProviders()