Kibana version:
7.7.0

Original install method (e.g. download page, yum, from source, etc.):
Cloud

Describe the bug:
You don't need hasManageApiKey anymore, remove all checks from the front end.

Steps to reproduce:

1. Make it so you don't have hasManageAPI Key as your permissions
2. Go to the detection page and ensure you don't get blocked from visiting the page

Expected behavior:
You don't get blocked from visiting the detections page when you do not have manage api key