removed unneccessary aria-controls attribute from slick dots li and update role to tab since parent element is tablist
removed unneccessary aria-controls attribute from slick dots li and update role to tab since parent element is tablist

UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development