fix(docs): remove more unecessary use of hide() and show() method
fix(docs): remove more unecessary use of hide() and show() method

- tutorial section of docs fails to render properly as
doc:tutorial-instructions widget uses deprecated show and hide methods
of jQlite.

ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js