pidgin/pidgin

Remove `purple_utf16*` functions.

2021-01-30, Elliott Sales de Andrade
265694d7b23d
Remove `purple_utf16*` functions.

Testing Done:
Compiled only.

Reviewed at https://reviews.imfreedom.org/r/468/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
subprojects/*/
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$