In order to be a text file according to POSIX, file needs to be composed of
text lines. Text line is defined as sequence of characters ending in \n. Sadly,
`~}` did strip everything including the \n, so the kubeconfing did not end
with a new line. Output empty string at the end to make sure of it.
* Remove template_file for generating kubeconfig
Push logic from terraform down to the template. Makes the formatting
slightly easier to follow
* Remove template_file for generating userdata
Updates to the eks_cluster now do not trigger recreation of launch
configurations
* Remove template_file for LT userdata
* Remove template dependency
