[DINGO-1663] Remove all references to targets from ZAS#323

Draft

Zendesk-NathanBellette wants to merge 2 commits intomasterfrom nathanbellette/DINGO-1660-remove-http-targets-eol

Commits on Feb 16, 2022

Removed HTTP targets due to their EOL status and updated unit tests
Zendesk-NathanBellette
committed

Commits on Feb 17, 2022

Add unit test to ensure having a requirement type of targets results in error
Zendesk-NathanBellette
committed