Remove unneeded files from the gem package#181

oschwald merged 5 commits intomainmaxmind/minfraud-api-ruby:mainfrom

wstorey/eng-3664-files-are-removed-from-maxmind-db-reader-ruby-and-minfraudmaxmind/minfraud-api-ruby:wstorey/eng-3664-files-are-removed-from-maxmind-db-reader-ruby-and-minfraudCopy head branch name to clipboard