I think it is fine to keep personally - I like that you keep your MP management tool as part of your rotation.
It is however becoming less and less interesting.

Its 2.0 equivalent was great for enmity reduction, especially as WHM but now that enmity is a non-issue and MP is also almost a non-issue, there is clearly less of a need for it.
I would prefer making raw heals more costly and keep a MP management tool on cool-down.