Remove AddJwtAuth (#5194)
Remove AddJwtAuth (#5194)

Automatic merge from submit-queue.

Remove AddJwtAuth

There is a compile error.
# istio.io/istio/mixer/test/client/env
../../../../../mixer/test/client/env/mixer_filter_config.go:167:47: undefined: client.JWT
../../../../../mixer/test/client/env/mixer_filter_config.go:168:21: mfConf.PerRouteConf.EndUserAuthnSpec undefined (type *client.ServiceConfig has no field or method EndUserAuthnSpec)
../../../../../mixer/test/client/env/mixer_filter_config.go:168:42: undefined: client.EndUserAuthenticationPolicySpec
../../../../../mixer/test/client/env/mixer_filter_config.go:169:21: mfConf.PerRouteConf.EndUserAuthnSpec undefined (type *client.ServiceConfig has no field or method EndUserAuthnSpec)

Remove AddJwtAuth function.

cc @diemtvu
frankbu/istio,geeknoid/istio,geeknoid/istio,frankbu/istio,geeknoid/istio,frankbu/istio,smawson/istio,frankbu/istio,smawson/istio,smawson/istio,frankbu/istio,istio/istio,smawson/istio,geeknoid/istio,smawson/istio,istio/istio,istio/istio,geeknoid/istio,istio/istio,smawson/istio,geeknoid/istio,istio/istio,frankbu/istio