Pandora's DB does not default to utf8 on win32 anymore. Thanks koichiro!

Ref pandora_enterprise#3031.

pandora_server/lib/PandoraFMS/DB.pm

@@ -131,9 +131,6 @@ sub db_connect ($$$$$$) {
 		# Enable character semantics
 		$dbh->{'mysql_enable_utf8'} = 1;
 		
-        # Tell the server to return UTF-8 strings.
-		$dbh->do("SET NAMES 'utf8';") if ($^O eq 'MSWin32');
-
 		return $dbh;
 	}
 	elsif ($rdbms eq 'postgresql') {