Revert "Adds graylog2 recipe"

This reverts commit e6e844d81fd96bfcdc8d3e19ef951501f86b8379.
Revert "Removes backend dependencies that will go into their own repo"

This reverts commit bc660717d07264a1d33030b9a68f0687f902b031.
Revert "Adds cookbooks to install go-lang"

This reverts commit 32c66836edc9c7a36f89485463c9089144ea7003.
Revert "Adds riemann cookbook"

This reverts commit 48ae5a6de34ca34c9d776f2482a5074fd72d585b.