remove Cakefile (useless)
Revert ":gem: Travis CI image/link in readme :gem:"

This reverts commit 90e488dd9bf81de6d5abc68e6809e4ed7ba8bc29.
Revert ":gem: Added travis.yml file :gem:"

This reverts commit a9a9796a4e0cc94452d8740fdc7ec160b01a4db1.