Remove unused PluginVC::is_over_ssl()
Remove unused PluginVC::is_over_ssl()

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