Remove StyleCop settings (unused for a long time)
Remove StyleCop settings (unused for a long time)

See issue #540.

malcolmr/nodatime,jskeet/nodatime,malcolmr/nodatime,nodatime/nodatime,malcolmr/nodatime,BenJenkinson/nodatime,malcolmr/nodatime,nodatime/nodatime,BenJenkinson/nodatime,jskeet/nodatime