[aur-general] deletion of brother-mfc210c-fixed-version

[Martti Kühne]

Hello TUs!

brother-mfc210c-fixed-version is an out-of-date duplicate of
brother-mfc210c-cupswrapper and brother-mfc210c-lpr. I had
accidentially adopted it and then discovered it's clearly obsolete.
please delete it!

mar77i