TS-5006: Fix CID 1356975
TS-5006: Fix CID 1356975

ua_session can not be NULL so checking for it here only confuses coverity.

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