cleanup rspec fixtures

The symbolic links contained in the rspec fixtures dirs causes puppet
doc generation to fails since it follow symbolic links. It would end up
reloading the module dir over and over and find duplicate classes or
abort with "too many nested symbolic links" error.

Change-Id: Ieb25db4ec40075683d0c1b7abc1bd3dd09302c07
Merge "cleanup rspec fixtures" into production