Current metrics moved inside of health metrics function

Current metrics is only needed within this function to compare
the lengths between current metrics and health metrics. Instead
of grabbging current metrics outside of the function it is now
grabbing the current metrics data before the length check.

chronos_npm_package/controllers/mongo.js

@@ -108,13 +108,11 @@ mongo.communications = ({ microservice, slack, email }) => {
 mongo.health = async ({ microservice, interval, mode }) => {
   //MetricsModel tracks which metrics are selected in the MetricsContainer component
   //HealthModel tracks all the cpu health data in each of the services databases
-  const getCurrentMets = async () => await MetricsModel.find({ mode });
-  const currentMetrics = async () => await getCurrentMets()
-  currentMetrics()
 
   setInterval(() => {
     collectHealthData()
       .then(async healthMetrics => {
+        const currentMetrics = await MetricsModel.find({mode})
 
         if (currentMetrics.length !== healthMetrics.length) {
           await mongo.addMetrics(healthMetrics, mode, currentMetrics);