Remove `m.login.token` and `m.login.oauth2` UIA types
Remove `m.login.token` and `m.login.oauth2` UIA types

AFAIK these have never been implemented. oauth2 lacks enough info to be
sensibly implemented, and `m.login.token` just doesn't make sense.

matrix-org/matrix-doc,matrix-org/matrix-doc,matrix-org/matrix-doc,matrix-org/matrix-doc