Update release management patch chart titles

Since we are not yet using the new patch release pressure charts in the release management dashboard, we label them with "not ready for use" and also remove the "deprecated" label from the current release pressure chart to prevent confusion.

Snapshot dashboard: https://dashboards.gitlab.net/dashboard/snapshot/p7WNERS4YR1Tiew744pGBVPSritNTG4r

Before	After

These updates were made as a result of this discussion.