Remove startup gate from OAuth plugin initialization to support dynamic config toggling

Author: Damans227

plugins/user-authenticators/oauth2/src/main/java/org/apache/cloudstack/oauth2/OAuth2AuthManagerImpl.java

@@ -64,12 +64,8 @@ public List<Class<?>> getAuthCommands() {
 
     @Override
     public boolean start() {
-        if (isOAuthPluginEnabled(null)) {
-            logger.info("OAUTH plugin loaded");
-            initializeUserOAuth2AuthenticationProvidersMap();
-        } else {
-            logger.info("OAUTH plugin not enabled so not loading");
-        }
+        initializeUserOAuth2AuthenticationProvidersMap();
+        logger.info("OAUTH plugin loaded");
         return true;
     }