import: drop redundant `use' statement

We don't need multiple `use PublicInbox::IO' statements to
import a subroutine.

diff --git a/lib/PublicInbox/Import.pm b/lib/PublicInbox/Import.pm
index e4f8615ee1c84f32bcd4579cdb1c76c2d716d082..51ddfa7f24c5d58514d6ccf88e7e0832615be976 100644 (file)
--- a/lib/PublicInbox/Import.pm
+++ b/lib/PublicInbox/Import.pm
@@ -16,7 +16,6 @@ use PublicInbox::MsgTime qw(msg_datestamp);
 use PublicInbox::ContentHash qw(content_digest);
 use PublicInbox::MDA;
 use PublicInbox::Eml;
-use PublicInbox::IO;
 use POSIX qw(strftime);
 use autodie qw(socketpair);
 use Carp qw(croak);