Simplify rails s explanation

Author: SteveBarnett

sites/en/installfest/create_a_rails_app.step

@@ -32,9 +32,7 @@ step "Create a new Rails app" do
   tip "Shortcut: Just type 'rails s'" do
     message <<-MARKDOWN
       Throughout your Rails programming career you're going to type `rails server` a
-      lot.  In fact, you'll type this so much that DHH and the Rails Core team
-      decided to save you 5 keystrokes per server restart.  Simply typing `rails s`
-      is the same as `rails server`.
+      lot.  Simply typing `rails s` is the same as `rails server`.
     MARKDOWN
   end