telepathy: Remove unused variables
telepathy: Remove unused variables

Fallout from bf26d062f46a27086440f61e67884de6b8be07b7

Fixes: https://bugzilla.gnome.org/728787

halfline/gnome-online-accounts,halfline/gnome-online-accounts,ritzk/gnome-online-accounts,Distrotech/gnome-online-accounts,Distrotech/gnome-online-accounts,ritzk/gnome-online-accounts,dnohales/gnome-online-accounts,ritzk/gnome-online-accounts,dnohales/gnome-online-accounts,felipeborges/gnome-online-accounts,felipeborges/gnome-online-accounts,dnohales/gnome-online-accounts,Distrotech/gnome-online-accounts,felipeborges/gnome-online-accounts,halfline/gnome-online-accounts