Remove unused code segments

core/constants.js

@@ -24,8 +24,7 @@ const Address = {
     'EXAMPLE': 'example.org',
     'HTTP': 'http:',
     'HTTPS': 'https:',
-    'WWW_PREFIX': 'www.',
-    'WWW_PREFIX_LENGTH': 4
+    'WWW_PREFIX': 'www.'
 };
 
 const Resource = {

core/request-analyzer.js

@@ -126,17 +126,6 @@ requestAnalyzer._applyWhitelistedDomains = function () {
     });
 };
 
-requestAnalyzer._normalizeDomain = function (domain) {
-
-    domain = domain.toLowerCase().trim();
-
-    if (domain.startsWith(Address.WWW_PREFIX)) {
-        domain = domain.slice(Address.WWW_PREFIX_LENGTH);
-    }
-
-    return domain;
-};
-
 /**
  * Initializations
  */