Revert "Added a description of drag selecting rows"
Revert "Added a description of drag selecting rows"

This reverts commit d8487765d7b01b5e5673c9ae6a51db03d60b99ea.

Peppe/vaadin-components-examples,shahrzadmn/components-examples,Peppe/vaadin-components-examples,shahrzadmn/components-examples,shahrzadmn/components-examples,Peppe/vaadin-components-examples