Remove unnecessary requiring of rubygems/bundler
Remove unnecessary requiring of rubygems/bundler

I haven't found this to be necessary anymore; rubygems now ships with ruby and everyone uses bundler.

samfishman/clever-ruby,TomK32/clever-ruby,haikulearning/clever-ruby,Clever/clever-ruby,Clever/clever-ruby,mchavarriagam/clever-ruby,thinkthroughmath/clever-ruby