Steps to reproduce:
1) Start portal with "scheduler.enabled=false" in portal-ext.properties
2) Go to gogo shell by "telnet localhost 11311" and check all scheduler related services
Before fix, you can see scheduler related services are registered.
After fix, you should not see scheduler related service are registered.
How to find which are scheduler related service:
1) Go to portal_source/modules/apps/foundation/portal-scheduler
2) Find all the classes annotated with @Component, and these are all scheduler related services.