tests: remove unnecessary loading of ::DS and Socket

PublicInbox::DS works for every platform we we care about,
nowadays; so checking for it is a waste of time.  Cleanup a
few POSIX and Socket imports while we're in the area.

1 files changed, 1 insertions, 1 deletions

diff --git a/t/nntp.t b/t/nntp.t
index c39a05fa..47b14422 100644
--- a/t/nntp.t
+++ b/t/nntp.t
@@ -5,7 +5,7 @@ use warnings;
 use Test::More;
 use Data::Dumper;
 
-foreach my $mod (qw(DBD::SQLite Search::Xapian PublicInbox::DS)) {
+foreach my $mod (qw(DBD::SQLite Search::Xapian)) {
         eval "require $mod";
         plan skip_all => "$mod missing for nntp.t" if $@;
 }