docs($q): promises are no longer automatically unwrapped, by default
docs($q): promises are no longer automatically unwrapped, by default

Although it is still possible to turn this on, the feature is deprecated and it is
best to remove this mention completely here.

Closes #4632

ammula88/angular.js,ammula88/angular.js,ammula88/angular.js,ammula88/angular.js,ammula88/angular.js