usage meter 4.x picks up vRops from vCenter mob. after adding the vCenter , UM does dynamic discovery. if for any reason, vRops extension is left stale behind on vCenter, UM will continue to think the product exists.
To resolve this,
log in to the vCenter mob and remove com.vmware.vrops and com.vmware.vcops
Instructions to remove the extensions can be found here: https://kb.vmware.com/s/article/1025360 , Kindly ensure that you remove only com.vmware.vrops and com.vmware.vcops.
Once the extension is removed, remove and re-add the product: vCenter (all vCenter’s referenced by this vRops) back on to usage meter. you should no longer see vRops.