Add config to switch between Challenge Questions storage type

Author: Osara-B

components/identity-mgt/org.wso2.carbon.identity.mgt/src/main/java/org/wso2/carbon/identity/mgt/internal/IdentityMgtServiceComponent.java

@@ -140,13 +140,6 @@ private static void init() {
         recoveryProcessor = new RecoveryProcessor();
         try {
             registry = IdentityMgtServiceComponent.getRegistryService().getConfigSystemRegistry();
-            if (!registry
-                    .resourceExists(IdentityMgtConstants.IDENTITY_MANAGEMENT_PATH)) {
-                Collection questionCollection = registry.newCollection();
-                registry.put(IdentityMgtConstants.IDENTITY_MANAGEMENT_PATH,
-                        questionCollection);
-                UserIdentityManagementUtil.loadDefaultChallenges();
-            }
 
             IdentityEventListenerConfig identityEventListenerConfig = IdentityUtil.readEventListenerProperty
                     (UserOperationEventListener.class.getName(), IdentityMgtEventListener.class.getName());

components/identity-mgt/org.wso2.carbon.identity.mgt/src/main/java/org/wso2/carbon/identity/mgt/listener/TenantManagementListener.java

@@ -54,7 +54,6 @@ public void onTenantCreate(TenantInfoBean tenantInfo) throws StratosException {
             PrivilegedCarbonContext.getThreadLocalCarbonContext().startTenantFlow();
             PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tenantInfo.getTenantDomain());
             PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantId(tenantInfo.getTenantId());
-            UserIdentityManagementUtil.loadDefaultChallenges();
 
             IdentityEventListenerConfig identityEventListenerConfig = IdentityUtil.readEventListenerProperty
                     (UserOperationEventListener.class.getName(), IdentityMgtEventListener.class.getName());

components/identity-mgt/org.wso2.carbon.identity.mgt/src/main/java/org/wso2/carbon/identity/mgt/util/UserIdentityManagementUtil.java

@@ -966,6 +966,7 @@ private static VerificationBean handleError(String error, Exception e) {
 
     /**
      * This methods adds default challenge question set to current domain
+     * Deprecated since challenge questions feature is a connector.
      */
     public static void loadDefaultChallenges() {