clean up ruby tests

[enxebre]

remove tests unused code and cluster abstraction

[coreosbot]

Can one of the admins verify this patch?

[paulfantom]

New rspec framework is in completly different directory, so why bother with making changes to old one?

[enxebre]

retest this please

[enxebre]

this is just a quick cleanup of old files on the solution which is currently in place, once we got a new solution working we can completely remove it

[squat]

@enxebre looks like rubocop is complaining:

rubocop --cache false spec lib
Inspecting 23 files
..............W........

Offenses:

lib/aws_cluster.rb:123:7: C: Align the elements of an array literal if they span more than one line.
      variables['TF_VAR_tectonic_cluster_name'] = @name,
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
lib/aws_cluster.rb:124:7: C: Align the elements of an array literal if they span more than one line.
      variables['TF_VAR_tectonic_admin_email'] = @tectonic_admin_email,
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
lib/aws_cluster.rb:125:7: C: Align the elements of an array literal if they span more than one line.
      variables['TF_VAR_tectonic_admin_password'] = @tectonic_admin_password
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
lib/aws_cluster.rb:353:3: W: Useless private access modifier.
  private
  ^^^^^^^

23 files inspected, 4 offenses detected