gplugin/gplugin

We don't need GModule in our gir file

2022-01-30, Gary Kramlich
1195da375abd
We don't need GModule in our gir file

Testing Done:
Compiled and made sure there was no reference to `GModule` in `GPlugin-1.0.gir`.

Reviewed at https://reviews.imfreedom.org/r/1252/
The following individuals have contributed to this project.
Ankit Vani <a@nevitus.org>
EionRobb <eion@robbmob.com>
Elliott Sales de Andrade <quantum.analyst@gmail.com>
Gary Kramlich <grim@reaperworld.com>
Jason Scherer <schereja@gmail.com>
John Bailey <rekkanoryo@rekkanoryo.org>
Mike Ruprecht <cmaiku@gmail.com>
Olaf Hering <olaf@aepfle.de>
Paul Jimenez <pj@place.org>
Richard Laager <rlaager@pidgin.im>
Sorvival <sorvival@tutanota.com>
ivanhoe <ivanhoe@fiscari.de>