Remove some unneeded autoconf checks. We now have no duplicate libraries

in the generated EXTRA_LIBS in config_vars.mk (at least on Linux 2.4).

APR already determines if we need nsl, socket - checking for it in httpd
is merely redundant.

None of the code in httpd-2.0 seems to deal with HAVE_GMTOFF as all of
that code was moved to APR a long time ago.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@90715 13f79535-47bb-0310-9956-ffa450edef68