Remove unused parameter.
Remove unused parameter.

Tweak of #2601.

poacher2k/vimium,philc/vimium,gdh1995/vimium,smblott-github/vimium,poacher2k/vimium,poacher2k/vimium,decaffeinate-examples/vimium,gdh1995/vimium,decaffeinate-examples/vimium,gdh1995/vimium,philc/vimium,smblott-github/vimium,decaffeinate-examples/vimium,smblott-github/vimium,philc/vimium