Perl: Remove useless lines

src/bin/pgbench/t/002_pgbench_no_server.pl

@@ -38,7 +38,6 @@ sub pgbench_scripts
 
 	my ($opts, $stat, $out, $err, $name, $files) = @_;
 	my @cmd = ('pgbench', split /\s+/, $opts);
-	my @filenames = ();
 	if (defined $files)
 	{
 		for my $fn (sort keys %$files)

src/test/perl/PostgreSQL/Test/Cluster.pm

@@ -2140,7 +2140,6 @@ sub _pgbench_make_files
 			# cleanup file weight
 			$filename =~ s/\@\d+$//;
 
-			#push @filenames, $filename;
 			# filenames are expected to be unique on a test
 			if (-e $filename)
 			{