Revert "Signal trapping instrumentation for 1.8"
Revert "Signal trapping instrumentation for 1.8"

This reverts commit ed689b731ef518386800b751e43959c771cc27c0.

This is not the signal trapping instrumentation I am looking for

tpetchel/nio4r,celluloid/nio4r,tpetchel/nio4r,tpetchel/nio4r,frsyuki/nio4r,frsyuki/nio4r,marshall-lee/nio4r,marshall-lee/nio4r,frsyuki/nio4r,celluloid/nio4r,marshall-lee/nio4r,celluloid/nio4r