telepathy-accounts-signon is marked for autoremoval from testing

[Debian testing autoremoval watch]

telepathy-accounts-signon 1.0-1 is marked for autoremoval from testing on 
2020-05-08

It (build-)depends on packages with these RC bugs:
952060: libsignon-glib: FTBFS: signon-auth-service.c:72:13: error: 
G_ADD_PRIVATE [-Werror]