Doc: minor records.config cleaning
Doc: minor records.config cleaning

- Removes Fuzz options that left in ATS 7
- Fixes parsing of proxy.config.hostdb.round_robin_max_count

duke8253/trafficserver,davidbz/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,dyrock/trafficserver,pbchou/trafficserver,chitianhao/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,bryancall/trafficserver,bryancall/trafficserver,dyrock/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,chitianhao/trafficserver,davidbz/trafficserver,davidbz/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,chitianhao/trafficserver,chitianhao/trafficserver,davidbz/trafficserver,chitianhao/trafficserver,pbchou/trafficserver,pbchou/trafficserver,dyrock/trafficserver,bryancall/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,duke8253/trafficserver,dyrock/trafficserver,dyrock/trafficserver,pbchou/trafficserver,davidbz/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,davidbz/trafficserver,chitianhao/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,chitianhao/trafficserver,duke8253/trafficserver