OstreeGpgVerifier: Don't add trustdb.gpg to the keyring list
OstreeGpgVerifier: Don't add trustdb.gpg to the keyring list

In case someone like me is mucking around in $OSTREE_GPG_HOME and
accidentally creates a trust database there.

leandrosansilva/ostree,GNOME/ostree,GNOME/ostree,GNOME/ostree,resin-io/ostree,gatispaeglis/ostree,resin-io/ostree,leandrosansilva/ostree,gatispaeglis/ostree,leandrosansilva/ostree,GNOME/ostree,GNOME/ostree,sujitfulse/ostree,sujitfulse/ostree,resin-io/ostree,sujitfulse/ostree,gatispaeglis/ostree,gatispaeglis/ostree,resin-io/ostree,sujitfulse/ostree,gatispaeglis/ostree,resin-io/ostree,gatispaeglis/ostree,leandrosansilva/ostree,sujitfulse/ostree,leandrosansilva/ostree