Revert "Enable package caching if vagrant-cachier is installed"

This reverts commit 7dfee51e44c2b3dd651dbbb838285567d8a89870.

vagrant-cachier can be enabled globally in ~/.vagrant.d/Vagrantfile
Also, I just had some problems with ruby_build due to the caching.
Update gems
1.0.9
Install Ruby 2.0.0-p353