pidgin/pidgin

Remove Online Help accelerator.

2021-06-10, Elliott Sales de Andrade
8adffed7a99a
Remove Online Help accelerator.

Testing Done:
Check menu for no accelerator, hit F1 and nothing happens, hit Ctrl+F1 and nothing happens.

Reviewed at https://reviews.imfreedom.org/r/740/
libpurple/data/purple-url-handler.desktop.in
libpurple/protocols/null/nullprpl.c
pidgin/data/im.pidgin.Pidgin.desktop.in
sub/libpurple/data/purple-url-handler.desktop.in
sub/libpurple/protocols/null/nullprpl.c
sub/pidgin/data/im.pidgin.Pidgin.desktop.in