check_server_timer() doesn't do anything

[nacin]

This function is useless. It should either die, or become a functional filter.

I'm fine with no. 1, as it has never been functional since its introduction in [8927]. Alternatively, it can become a filter.

Seems the question posed by westi was never addressed: ​http://core.trac.wordpress.org/ticket/7068#comment:7

[ryan]

Kill it.

[nacin]

(In [16603]) Kill check_server_timer(). fixes #15602.

[nacin]

I saw no reason to deprecate this.