Remove the oscar protocol

Review Request #598 — Created April 8, 2021 and submitted — Latest diff uploaded

Information

pidgin/pidgin
release-2.x.y
dacd06a7024a

Reviewers

ICQ moved to a new protocol in 2017 and AIM was shutdown in 2017 as well.
Therefore, this code has been doing absolutely nothing for us.

Compiled and ran on linux, need to test windows yet.