Revert "Add sv_qstn class for autocomplete widget"
Revert "Add sv_qstn class for autocomplete widget"

This reverts commit 8df1ad2248248e113d5a010ec86edf5d19694c89.

surveyjs/surveyjs,surveyjs/surveyjs,surveyjs/surveyjs,andrewtelnov/surveyjs,andrewtelnov/surveyjs,surveyjs/surveyjs,andrewtelnov/surveyjs