npn string should be updated on unregistering a protocol as well
npn string should be updated on unregistering a protocol as well

SolidWallOfCode/trafficserver,rahmalik/trafficserver,reveller/trafficserver,vmamidi/trafficserver,clearswift/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,PSUdaemon/trafficserver,chenglongwei/trafficserver,pbchou/trafficserver,bryancall/trafficserver,chenglongwei/trafficserver,chitianhao/trafficserver,PSUdaemon/trafficserver,davidbz/trafficserver,taoyunxing/trafficserver,dyrock/trafficserver,dyrock/trafficserver,rahmalik/trafficserver,davidbz/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,clearswift/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,rpufky/trafficserver,rpufky/trafficserver,taoyunxing/trafficserver,taoyunxing/trafficserver,taoyunxing/trafficserver,chitianhao/trafficserver,reveller/trafficserver,reveller/trafficserver,reveller/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,bryancall/trafficserver,persiaAziz/trafficserver,chenglongwei/trafficserver,persiaAziz/trafficserver,rahmalik/trafficserver,chitianhao/trafficserver,clearswift/trafficserver,persiaAziz/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,clearswift/trafficserver,davidbz/trafficserver,rpufky/trafficserver,rahmalik/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,bryancall/trafficserver,clearswift/trafficserver,PSUdaemon/trafficserver,bryancall/trafficserver,dyrock/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,dyrock/trafficserver,reveller/trafficserver,rpufky/trafficserver,taoyunxing/trafficserver,chitianhao/trafficserver,chitianhao/trafficserver,clearswift/trafficserver,chenglongwei/trafficserver,rahmalik/trafficserver,rahmalik/trafficserver,clearswift/trafficserver,chenglongwei/trafficserver,chitianhao/trafficserver,PSUdaemon/trafficserver,rpufky/trafficserver,pbchou/trafficserver,pbchou/trafficserver,chenglongwei/trafficserver,chenglongwei/trafficserver,PSUdaemon/trafficserver,SolidWallOfCode/trafficserver,dyrock/trafficserver,rpufky/trafficserver,davidbz/trafficserver,davidbz/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,taoyunxing/trafficserver,duke8253/trafficserver,pbchou/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,taoyunxing/trafficserver,duke8253/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,persiaAziz/trafficserver,pbchou/trafficserver,clearswift/trafficserver,PSUdaemon/trafficserver,chenglongwei/trafficserver,SolidWallOfCode/trafficserver,rahmalik/trafficserver,reveller/trafficserver,duke8253/trafficserver,rpufky/trafficserver,taoyunxing/trafficserver,bryancall/trafficserver,reveller/trafficserver,reveller/trafficserver,dyrock/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,davidbz/trafficserver,taoyunxing/trafficserver,persiaAziz/trafficserver,bryancall/trafficserver,clearswift/trafficserver