MRBS block should only come with the english lang pack

Hi Davo,

there is a new way to translate the plugins in Moodle.

All plugins with an entry in the Moodle plugin database can be translated with AMOS now. The strings will come in the current lang packs. Every existing language file should be uploaded into AMOS. No string will be lost. I already added the german file because I am one of the german lang maintainers.

After this you should delete all lang packs from the MRBS block without the english one.

Best regards, Ralf