pidgin/pidgin

Remove the gtk-dnd-hints stuff that should have been removed when we removed dnd from the conversation window.

2021-10-25, Gary Kramlich
e588455a446e
Remove the gtk-dnd-hints stuff that should have been removed when we removed dnd from the conversation window.

Testing Done:
Compiled.

Reviewed at https://reviews.imfreedom.org/r/1098/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$
^subprojects\/.+\/