account-manager-default: always delete secret keys from both locations
account-manager-default: always delete secret keys from both locations

This ensures that the key is actually removed even it has been tagged as
secret after is removal.

https://bugs.freedesktop.org/show_bug.cgi?id=39796

freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control