Remove gtknickcolors from the pidgin docs as it was missed when the file was deleted

Review Request #444 — Created Jan. 22, 2021 and submitted — Latest diff uploaded

Information

pidgin/pidgin
default
2888d0caa688

Reviewers

Remove gtknickcolors from the pidgin docs as it was missed when the file was deleted

Ran ninja doc and verified it finishes successfully now.