Fix doc for http2.no_activity_timeout_in (#7721)
Fix doc for http2.no_activity_timeout_in (#7721)


SolidWallOfCode/trafficserver,bryancall/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,duke8253/trafficserver,duke8253/trafficserver,bryancall/trafficserver,pbchou/trafficserver,pbchou/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,bryancall/trafficserver,pbchou/trafficserver,bryancall/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,duke8253/trafficserver