Root out files that don't really belong here and could in fact screw

you over if you happen to use git for FreeBSD development, as it is
the case with the unbound/.gitignore, which lits files that are
actually required for the buildworld.

MFC after:	1 day

contrib/libucl/tests/.gitignore

@@ -1,8 +0,0 @@
-*.log
-*.trs
-*.plist
-
-test_basic
-test_generate
-test_schema
-test_speed

contrib/libxo/.gitignore

@@ -1,46 +0,0 @@
-# Object files
-*.o
-
-# Libraries
-*.lib
-*.a
-
-# Shared objects (inc. Windows DLLs)
-*.dll
-*.so
-*.so.*
-*.dylib
-
-# Executables
-*.exe
-*.app
-
-*~
-*.orig
-
-aclocal.m4
-ar-lib
-autom4te.cache
-build
-compile
-config.guess
-config.h.in
-config.sub
-depcomp
-install-sh
-ltmain.sh
-missing
-m4
-
-Makefile.in
-configure
-.DS_Store
-
-xoconfig.h.in
-xo_config.h.in
-
-.gdbinit
-.gdbinit.local
-xtest
-xtest.dSYM
-tests/w

contrib/unbound/.gitignore

@@ -1,38 +0,0 @@
-*.lo
-*.o
-/.libs/
-/Makefile
-/autom4te.cache/
-/config.h
-/config.log
-/config.status
-/dnstap/dnstap_config.h
-/doc/example.conf
-/doc/libunbound.3
-/doc/unbound-anchor.8
-/doc/unbound-checkconf.8
-/doc/unbound-control.8
-/doc/unbound-host.1
-/doc/unbound.8
-/doc/unbound.conf.5
-/libtool
-/libunbound.la
-/smallapp/unbound-control-setup.sh
-/unbound
-/unbound-anchor
-/unbound-checkconf
-/unbound-control
-/unbound-control-setup
-/unbound-host
-/unbound.h
-/asynclook
-/delayer
-/lock-verify
-/memstats
-/perf
-/petal
-/pktview
-/streamtcp
-/testbound
-/unittest
-