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

This reverts commit bacd335991.

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

@@ -17,7 +17,6 @@ metadata {
 		capability "Switch"
 		capability "Refresh"
 		capability "Sensor"
-		capability "Health Check"
 
 		command "setAdjustedColor"
         command "reset"
@@ -65,10 +64,6 @@ metadata {
 	}
 }
 
-void installed() {
-	sendEvent(name: "checkInterval", value: 60 * 30, data: [protocol: "lan"], displayed: false)
-}
-
 // parse events into attributes
 def parse(description) {
 	log.debug "parse() - $description"
@@ -187,7 +182,3 @@ def verifyPercent(percent) {
         return false
     }
 }
-
-def ping() {
-    log.trace "${parent.ping(this)}"
-}