Remove client monitoring

[lenny-goodell]

🚀 Feature Request

Relevant Package

This feature request is for all edgex-go services BootstrapHandler in each services init.go

Description

Per the Core WG 6/18/2020 meeting the active Client Monitoring via polling Consul is to be removed.

client initialization like this

	mdc := metadata.NewDeviceClient(
		urlclient.New(
			ctx,
			wg,
			registryClient,
			clients.CoreMetaDataServiceKey,
			clients.ApiDeviceRoute,
			configuration.Service.ClientMonitor,
			configuration.Clients["Metadata"].Url()+clients.ApiDeviceRoute,
		),
	)

changes to:

	mdc := metadata.NewDeviceClient(local.New(configuration.Clients["Metadata"].Url()+clients.ApiDeviceRoute))

Note: local.New() needs to come from go-mod-core-contracts

Once the changes have been made the following packages can be removed:

• pkg/urlclient
• pkg/endpoint

ServiceInfo.ClientMonitor can also be removed from struct and all configuration toml files.