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, 2 insertions, 4 deletions

diff --git a/t/httpd.t b/t/httpd.t
index 45cbcbfd..d55495ff 100644
--- a/t/httpd.t
+++ b/t/httpd.t
@@ -4,15 +4,13 @@ use strict;
 use warnings;
 use Test::More;
 
-foreach my $mod (qw(Plack::Util Plack::Builder PublicInbox::DS
-                        HTTP::Date HTTP::Status)) {
+foreach my $mod (qw(Plack::Util Plack::Builder HTTP::Date HTTP::Status)) {
         eval "require $mod";
         plan skip_all => "$mod missing for httpd.t" if $@;
 }
 use File::Temp qw/tempdir/;
 use Cwd qw/getcwd/;
-use IO::Socket;
-use Socket qw(SO_KEEPALIVE IPPROTO_TCP TCP_NODELAY);
+use IO::Socket::INET;
 require './t/common.perl';
 
 # FIXME: too much setup