Remove tcc-mask

Remove tcc-mask from /etc/profile.d. These umasks are breaking our
installations of gems
Remove /usr/local/gems permissions tracking

Remove /usr/local/gems permissions tracking. This creates 7000 resources
and doubles the agent execution time. Removing bad umasks may fix the
sensu gem errors.
Merge pull request #27 from NMTCC/fixumask

Fixumask