remove useless use of n::c

diff --git a/lib/DBIx/Class/ResultSetColumn.pm b/lib/DBIx/Class/ResultSetColumn.pm
index 13aeb85..0d5d094 100644 (file)
--- a/lib/DBIx/Class/ResultSetColumn.pm
+++ b/lib/DBIx/Class/ResultSetColumn.pm
@@ -8,7 +8,6 @@ use base 'DBIx::Class';
 use Carp::Clan qw/^DBIx::Class/;
 use DBIx::Class::Exception;
 use List::Util ();
-use namespace::clean;
 
 =head1 NAME