[TS-3294]: remove logically dead code
[TS-3294]: remove logically dead code

Coverity CID#1242010

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