Docs: Fix ableist language

The following language needs to be removed from the docs:

• sanity (3)

• dummy (21)

• blacklist (2), blacklisted (6), blacklisting (2), blacklists (0)
  whitelist (21), whitelisted (3), whitelisting (4), whitelists (1)

• master (151)

• slave (1)

• mankind (1)

• manpower (1)

• he (1)

• his (7)

• she (1)

• hers (0)

Related to: !43038 (merged)