Revert "Add requirement to tutorial vagrantfile"
Revert "Add requirement to tutorial vagrantfile"

This reverts commit f8e428d0148329cc2baecf99a0ad5573922dd236.

beni55/flocker,agonzalezro/flocker,agonzalezro/flocker,runcom/flocker,beni55/flocker,adamtheturtle/flocker,lukemarsden/flocker,hackday-profilers/flocker,jml/flocker,Azulinho/flocker,moypray/flocker,wallnerryan/flocker-profiles,mbrukman/flocker,1d4Nf6/flocker,LaynePeng/flocker,AndyHuu/flocker,agonzalezro/flocker,lukemarsden/flocker,moypray/flocker,AndyHuu/flocker,LaynePeng/flocker,LaynePeng/flocker,mbrukman/flocker,runcom/flocker,hackday-profilers/flocker,wallnerryan/flocker-profiles,jml/flocker,wallnerryan/flocker-profiles,achanda/flocker,AndyHuu/flocker,adamtheturtle/flocker,w4ngyi/flocker,achanda/flocker,beni55/flocker,Azulinho/flocker,moypray/flocker,1d4Nf6/flocker,achanda/flocker,lukemarsden/flocker,jml/flocker,Azulinho/flocker,adamtheturtle/flocker,w4ngyi/flocker,mbrukman/flocker,runcom/flocker,1d4Nf6/flocker,hackday-profilers/flocker,w4ngyi/flocker