delete commented code

Author: mknos

bin/tac

@@ -62,7 +62,7 @@ exit EX_SUCCESS;
 
 sub VERSION_MESSAGE {
     warn "$Program version $VERSION\n";
-    exit 0;
+    exit EX_SUCCESS;
 }
 
 sub usage {
@@ -365,9 +365,6 @@ sub DESTROY {
     shift->CLOSE;
 }
 
-# *readline = \&READLINE;
-# *close    = \&CLOSE;
-
 sub eof {
     my $self = shift;
     *$self->{EOF} && ! @{*$self->{lines}};