Revert "WWST-40 Philips Hue: Implement device watch"

This reverts commit bacd335991.

devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy

@@ -14,7 +14,6 @@ metadata {
 		capability "Switch"
 		capability "Refresh"
 		capability "Sensor"
-        capability "Health Check"
 
         command "refresh"
 	}
@@ -49,10 +48,6 @@ metadata {
     }
 }
 
-void installed() {
-	sendEvent(name: "checkInterval", value: 60 * 30, data: [protocol: "lan"], displayed: false)
-}
-
 // parse events into attributes
 def parse(description) {
 	log.debug "parse() - $description"
@@ -92,7 +87,3 @@ void refresh() {
 	log.debug "Executing 'refresh'"
 	parent.manualRefresh()
 }
-
-def ping() {
-    log.debug "${parent.ping(this)}"
-}