[PATCH 3/6] lei_self_socket: drop unused deps and code

[Eric Wong]

We don't need to repeat the assignment done in DS::new,
nor do we need to disable the `once' warnings after
commit cfd20b04dfe4 (ipc: retry sendmsg + recvmsg calls on EINTR)
removed the need for that pragma.
---
 lib/PublicInbox/LeiSelfSocket.pm | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/PublicInbox/LeiSelfSocket.pm b/lib/PublicInbox/LeiSelfSocket.pm
index 690cda3f..84367266 100644
--- a/lib/PublicInbox/LeiSelfSocket.pm
+++ b/lib/PublicInbox/LeiSelfSocket.pm
@@ -5,20 +5,17 @@
 # This receives what script/lei receives, but isn't connected
 # to an interactive terminal so I'm not sure what to do with it...
 package PublicInbox::LeiSelfSocket;
-use strict;
-use v5.10.1;
+use v5.12;
 use parent qw(PublicInbox::DS);
 use Data::Dumper;
 $Data::Dumper::Useqq = 1; # should've been the Perl default :P
 use PublicInbox::Syscall qw(EPOLLIN);
-use PublicInbox::Spawn;
 use PublicInbox::IPC;
 
 sub new {
        my ($cls, $r) = @_;
-       my $self = bless { sock => $r }, $cls;
+       my $self = bless {}, $cls;
        $r->blocking(0);
-       no warnings 'once';
        $self->SUPER::new($r, EPOLLIN);
 }