Remove chinese/linux-gtk. One of its dependent ports (chinese/cle_base)
has been broken due to a security problem for over 1 month with no sign
of a fix.
(Only the first 10 of 84 ports in this commit are shown above. )
Reset maintainer on ports owned by the following committers who have
been inactive for over 12 months and did not respond to my email confirming
their status: keith, nakai, torstenb
Reviewed by: portmgr