Update .Rbuildignore
Update .Rbuildignore

Former-commit-id: 2b5b9d4083d742fe0dca90a26e90fe88db7b91b2
Former-commit-id: 440580afa41d062ee42391673a5ff2af261e37a1
steinbaugh/worminfo,seqcloud/worminfo,mjsteinbaugh/metadata-elegans