Move alphabet hint tests...
Move alphabet hint tests...

... they were in the wrong place (and were being run twice).

decaffeinate-examples/vimium,mrmr1993/vimium,willsALMANJ/vimium,decaffeinate-examples/vimium,decaffeinate-examples/vimium,smblott-github/vimium,gdh1995/vimium,poacher2k/vimium,smblott-github/vimium,philc/vimium,poacher2k/vimium,smblott-github/vimium,gdh1995/vimium,philc/vimium,willsALMANJ/vimium,gdh1995/vimium,poacher2k/vimium,willsALMANJ/vimium,philc/vimium,mrmr1993/vimium,mrmr1993/vimium