Revert "Bug 1306534 - Crash when pasting UTF8 text as an attachment"

Bugzilla/Attachment.pm

@@ -891,7 +891,6 @@ sub create {
                              (id, thedata) VALUES ($attachid, ?)");
 
     trick_taint($data);
-    utf8::encode($data);
     $sth->bind_param(1, $data, $dbh->BLOB_TYPE);
     $sth->execute();