data: Drop outdated shell extensions repo key
It’s no longer used in gnome-software.
Signed-off-by: Philip Withnall pwithnall@endlessos.org
Fixes: #997 (closed)
It’s no longer used in gnome-software.
Signed-off-by: Philip Withnall pwithnall@endlessos.org
Fixes: #997 (closed)