Remove MDB from documentation #550

Job	Run time
linting	45s
analytics (ubuntu-latest, 3.7)	6m 45s
analytics (ubuntu-latest, 3.8)	5m 19s
analytics (ubuntu-latest, 3.9)	5m 15s
analytics (ubuntu-latest, 3.10)	5m 36s
analytics (ubuntu-latest, 3.11)	6m 43s
analytics (ubuntu-20.04, 3.6)	6m 54s
tests (ubuntu-latest, 3.7)	1m 22s
tests (ubuntu-latest, 3.8)	1m 4s
tests (ubuntu-latest, 3.9)	1m 5s
tests (ubuntu-latest, 3.10)	1m 18s
tests (ubuntu-latest, 3.11)	1m 21s
tests (ubuntu-20.04, 3.6)	1m 24s
notebook_integration_test (3.10) / tests	3m 6s
notebook_integration_test (3.11) / tests	2m 53s
notebook_integration_test (3.7) / tests	2m 47s
notebook_integration_test (3.8) / tests	2m 46s
notebook_integration_test (3.9) / tests	2m 40s
	59m 3s

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