Drop nonexistent composer dependency
Drop nonexistent composer dependency

dracos/travis-cookbooks,spurti-chopra/travis-cookbooks,spurti-chopra/travis-cookbooks,ljharb/travis-cookbooks,spurti-chopra/travis-cookbooks,ljharb/travis-cookbooks,travis-ci/travis-cookbooks,ljharb/travis-cookbooks,travis-ci/travis-cookbooks,dracos/travis-cookbooks,dracos/travis-cookbooks,travis-ci/travis-cookbooks,dracos/travis-cookbooks