pidgin/nest

Remove duplicate entries in plugin table.

2020-04-17, Elliott Sales de Andrade
cf647fa45213
Remove duplicate entries in plugin table.

Fixes NEST-24.
Jason Allan <code@jasonderrythomas.com>
Elliott Sales de Andrade <quantum.analyst@gmail.com>
John Bailey <rekkanoryo@rekkanoryo.org>
Alan Hoskins <alanhoskins@gmail.com>
Gary Kramlich <grim@reaperworld.com>
Richard Laager <rlaager@wiktel.com>
Robert Vehse <robertvehse@fastmail.fm>
Zero <programmingzero@gmail.com>