pidgin/pidgin

The vbox is already packed into PidginConversationWindow from glade, don't add it again.

2020-11-24, Gary Kramlich
bbb0be094c2b
The vbox is already packed into PidginConversationWindow from glade, don't add it again.

Testing Done:
Compiled and ran locally, verified the `g_warning` message disappeared.

Reviewed at https://reviews.imfreedom.org/r/252/
[main]
host = https://www.transifex.com
[pidgin.pidgin_pot-for-development-branch]
file_filter = po/<lang>.po
source_file = po/pidgin.pot
source_lang = en