[geary] Non-fast-forward update to branch gnumdk/gmail_goa_only

[Cédric Bellegarde <cbellegarde src gnome org>]

The branch 'gnumdk/gmail_goa_only' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  ca1f5be... client: accounts: No fallback for GMail if GOA is missing

Commits added to the branch:

  5e63be9... client: accounts: No fallback for GMail if GOA is missing