NIFI-6477 Delete operate policy when its component is deleted

[ijokarumawak]

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Description of PR

Delete operate policy entries when its component is deleted.

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[markobean]

+1
Ran build and installed the fix. Overrode 'operate the component' policy. Observed results in authorization.xml. Removed component. Observed policy removed in authorizations.xml. Works like a charm. Thanks Koji!

[ijokarumawak]

@markobean Thanks for reviewing! Backed by your +1, I'm going to merge this to master.