Remove lib folder

lib/api/index.js

lib/api/methods.json

lib/auth/index.js

lib/auth/protocol/operations.js

lib/auth/protocol/serializer.js

lib/auth/protocol/signature.js

lib/auth/protocol/signature/ecdsa.js

lib/auth/protocol/signature/ecsignature.js

lib/auth/protocol/signature/enforce-types.js

lib/auth/protocol/signature/hash.js

lib/auth/protocol/types/chain-types.js

lib/auth/protocol/types/fast-parser.js

lib/auth/protocol/types/index.js

lib/auth/protocol/types/key-private.js

lib/auth/protocol/types/key-public.js

lib/broadcast/index.js

lib/broadcast/operations.json

lib/browser.js

lib/formatter.js

lib/util.js