Remove bogus comment
Remove bogus comment

The comment was introuced in commit da29f74 for a constant named
CLICK_EVENT_ID, but it was accidentally left in the code when that
constant was removed.

Change-Id: I69697f517585cafb30cc223497bc8db4a919e884

Darsstar/framework,asashour/framework,Legioth/vaadin,kironapublic/vaadin,Legioth/vaadin,Darsstar/framework,asashour/framework,asashour/framework,kironapublic/vaadin,kironapublic/vaadin,peterl1084/framework,Darsstar/framework,kironapublic/vaadin,jdahlstrom/vaadin.react,jdahlstrom/vaadin.react,peterl1084/framework,Legioth/vaadin,mstahv/framework,mstahv/framework,jdahlstrom/vaadin.react,asashour/framework,peterl1084/framework,asashour/framework,peterl1084/framework,mstahv/framework,kironapublic/vaadin,jdahlstrom/vaadin.react,jdahlstrom/vaadin.react,mstahv/framework,Legioth/vaadin,Legioth/vaadin,mstahv/framework,Darsstar/framework,peterl1084/framework,Darsstar/framework