MINOR: removed link to ssdocs project from module.
MINOR: removed link to ssdocs project from module.

silverstripe/silverstripe-docsviewer,dhensby/silverstripe-docsviewer,silverstripe/silverstripe-docsviewer,dhensby/silverstripe-docsviewer,camfindlay/silverstripe-docsviewer,camfindlay/silverstripe-docsviewer