removed comments and spaces and ran lint fix

lib/queryContextCache.js

@@ -23,10 +23,8 @@ function QueryContextElement (id,timestamp,priority,context) {
  */
 
 /**
- *
  * @param {Number} capacity Maximum capacity of the cache.
  */
-
 function QueryContextCache (capacity) {
   this.capacity = capacity;
   this.idMap = new Map(); // Map for id and QCC
@@ -97,14 +95,12 @@ QueryContextCache.prototype.merge = function (newQCE) {
         // Change in priority
         this.replaceQCE(qce, newQCE);
       } 
-    } 
-    else if (newQCE.timestamp === qce.timestamp && qce.priority !== newQCE.priority) {
+    } else if (newQCE.timestamp === qce.timestamp && qce.priority !== newQCE.priority) {
 
       // Same read timestamp but change in priority
       this.replaceQCE(qce, newQCE);
     }
-  } // id found
-  else {
+  } else {
 
     // new id
     if (this.priorityMap.has(newQCE.priority)) {
@@ -223,12 +219,10 @@ QueryContextCache.prototype.deserializeQueryContextElement = function (node) {
 
   if(typeof context === 'string'){
     entry.context = context;
-  }
-  else if (context === null || context === undefined) {  
+  } else if (context === null || context === undefined) {  
     entry.context = null;
     Logger.getInstance().debug('deserializeQueryContextElement `context` field is empty');
-  } 
-  else {
+  } else {
     Logger.getInstance().warn('deserializeQueryContextElement: `context` field is not String type');
     return null;
   }
@@ -238,11 +232,11 @@ QueryContextCache.prototype.deserializeQueryContextElement = function (node) {
 
 QueryContextCache.prototype.logCacheEntries = function () {
 
-    this.treeSet.forEach(function(elem) {
-      Logger.getInstance().debug(
-        `Cache Entry: id: ${elem.id} timestamp: ${elem.timestamp} priority: ${elem.priority}`,
-      );
-    });
+  this.treeSet.forEach(function(elem) {
+    Logger.getInstance().debug(
+      `Cache Entry: id: ${elem.id} timestamp: ${elem.timestamp} priority: ${elem.priority}`,
+    );
+  });
 };
 
 QueryContextCache.prototype.getSize = function() {