mysql-test/mysql-test-run.pl : Post-merge fixes.

mysql-test/mysql-test-run.pl:
  Post-merge fixes.
  As the merge brings the backport to this version, this was to be expected -
  we really need the handling of this option only once.

mysql-test/mysql-test-run.pl

@@ -198,7 +198,6 @@ our $opt_big_test= 0;            # Send --big-test to mysqltest
 
 our @opt_extra_mysqld_opt;
 
-our $opt_comment;
 our $opt_compress;
 our $opt_ssl;
 our $opt_skip_ssl;
@@ -670,14 +669,6 @@ sub command_line_setup () {
     print '#' x 78, "\n\n";
   }
 
-  if ( $opt_comment )
-  {
-    print "\n";
-    print '#' x 78, "\n";
-    print "# $opt_comment\n";
-    print '#' x 78, "\n\n";
-  }
-
   foreach my $arg ( @ARGV )
   {
     if ( $arg =~ /^--skip-/ )