Revert "jQuery.widget: Document that instance can be called on any element to determine whether it is a widget.  Fixes #77."

This reverts commit cde5d57d5255b820f34e934b622358371b2c585e.
Revert "jQuery.widget: Documenting 1.11's instance method for all widgets."

This reverts commit 06d80fe45c645989fa1a9e41bb93e2a1b7e90402.
1.10.2-4