Revert the proposed change in the rules/config file

Restore the setting of the "ENABLE_HOST_SERVICE_ON_START" flag
to "n" to disable startup of the sonic-hostservices service
during initialization.

This change is being made in order to resolve the only remaining
issue for the associated set of PRs.

rules/config

@@ -131,7 +131,7 @@ INCLUDE_MGMT_FRAMEWORK = y
 
 # ENABLE_HOST_SERVICE_ON_START - enable sonic-host-server for mgmt-framework and/or
 # telemetry containers to access host functionality by default
-ENABLE_HOST_SERVICE_ON_START = y
+ENABLE_HOST_SERVICE_ON_START = n
 
 # INCLUDE_RESTAPI - build docker-sonic-restapi for configuring the switch using REST APIs
 INCLUDE_RESTAPI = n