Removed activity list API link
Removed activity list API link

This endpoint can be really slow, especially without filters.  Let's not
link it for now and put the link back when we speed up the activity
pages (#2349)

wevoice/wesub,wevoice/wesub,wevoice/wesub,pculture/unisubs,pculture/unisubs,wevoice/wesub,pculture/unisubs,pculture/unisubs