clean up: remove an unused outdated mock

Is not in the RPM since 2004.

Also we will not have to remove it from the Ruby translation where
it interferes with the real Pkg.
Merge pull request #4 from mvidner/master

 Make "testedfiles" work on Ruby files (bnc#819137).
Merge pull request #5 from mvidner/cleanup-pkg-mock

clean up: remove an unused outdated mock
correctly pass the logging produced by Testsuite.rb
version+changes