fix color code issue in json format output
fix color code issue in json format output

Signed-off-by: dheerajd-msys <61f66facee5fad0fed1b321272a4adb263605e30@msystechnologies.com>

chef/knife-ec2,MsysTechnologiesllc/knife-ec2,MsysTechnologiesllc/knife-ec2,chef/knife-ec2,ClogenyTechnologies/knife-ec2