Revert "puppet-apply-dev: add rubygems1.9.1 to installed pkgs"
Revert "puppet-apply-dev: add rubygems1.9.1 to installed pkgs"

This reverts commit 02874468db94d877c5b83f1eb9e7b564d263d801.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet