TS-1475: remove regex_remap simple micro-optimization
TS-1475: remove regex_remap simple micro-optimization

The regex_remap simple regex optimization ends failing to initialize
the matching strings. Since this is a micro-optimization, just
remove the whole notion of a simple regex match.

Coverity #1021771

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