pidgin/pidgin

remove purple_connections_get_connecting which is no longer used

Testing Done:
Compiled.

Reviewed at https://reviews.imfreedom.org/r/1760/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$
^subprojects\/.+\/