Revert "buildsys: prevent make from searching for .config"

This reverts commit c562fca299b1efc4740b458f01036f55fbc090ae.
Fully fixed on master, this hunk alone breaks check WRT .config reading.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
inet: do not filter responses in res_query

Fixes bug #5342

res_query was silently rejecting responses against T_ANY DNS
questions.

Remove the type-filtering from res_query altogether.
__dns_lookup is supposed to return the proper stuff that you asked
for (and only that).

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>