Remove trailing white space from json formatter
Remove trailing white space from json formatter

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