Now that rake tasks are exposed via the railtie, remove all the crap from the top of the Rakefile that was there in case RSpec wasn't installed.
Now that rake tasks are exposed via the railtie, remove all the crap
from the top of the Rakefile that was there in case RSpec wasn't
installed.

Closes #122.

rspec/rspec-rails,Kriechi/rspec-rails,mcfiredrill/rspec-rails,mkyaw/rspec-rails,dcrec1/rspec-rails-1,sarahmei/rspec-rails,sopheak-se/rspec-rails,powershop/rspec-rails,mkyaw/rspec-rails,pjaspers/rspec-rails,ipmobiletech/rspec-rails,eliotsykes/rspec-rails,sopheak-se/rspec-rails,pjaspers/rspec-rails,ResultadosDigitais/rspec-rails,KlotzAndrew/rspec-rails,tjgrathwell/rspec-rails,DarthSim/rspec-rails,Kriechi/rspec-rails,jasnow/rspec-rails,travis-repos/rspec-rails,ipmobiletech/rspec-rails,unite-us/rspec-rails,jdax/rspec-rails,dcrec1/rspec-rails-1,ResultadosDigitais/rspec-rails,KlotzAndrew/rspec-rails,gkunwar/rspec-rails,aceofspades/rspec-rails,jasnow/rspec-rails,jdax/rspec-rails,rspec/rspec-rails,pjaspers/rspec-rails,Kriechi/rspec-rails,eliotsykes/rspec-rails,mcfiredrill/rspec-rails,sarahmei/rspec-rails,tjgrathwell/rspec-rails,DarthSim/rspec-rails,eliotsykes/rspec-rails,dcrec1/rspec-rails-1,maclover7/rspec-rails,gkunwar/rspec-rails,rspec/rspec-rails,jamelablack/rspec-rails,jpbamberg1993/rspec-rails,grantgeorge/rspec-rails,aceofspades/rspec-rails,maclover7/rspec-rails,unite-us/rspec-rails,sopheak-se/rspec-rails,AEgan/rspec-rails,AEgan/rspec-rails,tjgrathwell/rspec-rails,AEgan/rspec-rails,alexrothenberg/rspec-rails-1.x,jamelablack/rspec-rails,unite-us/rspec-rails,grantgeorge/rspec-rails,mkyaw/rspec-rails,jasnow/rspec-rails,jpbamberg1993/rspec-rails,mcfiredrill/rspec-rails,KlotzAndrew/rspec-rails,jamelablack/rspec-rails,maclover7/rspec-rails,ipmobiletech/rspec-rails,powershop/rspec-rails,gkunwar/rspec-rails,powershop/rspec-rails,aceofspades/rspec-rails,DarthSim/rspec-rails,grantgeorge/rspec-rails,sarahmei/rspec-rails,jpbamberg1993/rspec-rails,jdax/rspec-rails