Fix data in gitignore (as it is a link)
Fix data in gitignore (as it is a link)

HazyResearch/dd-genomics,HazyResearch/dd-genomics,rionda/dd-genomics,HazyResearch/dd-genomics,amwenger/dd-genomics,amwenger/dd-genomics,rionda/dd-genomics,amwenger/dd-genomics,HazyResearch/dd-genomics,HazyResearch/dd-genomics