Enable unregisterProperties() method that had been disabled during the karaf 4.0 work

Change-Id: Ifdf11bc882b6ae8d83b68db0005a3244f03d4663
diff --git a/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java b/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java
index d15ad63..37dd878 100644
--- a/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java
+++ b/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java
@@ -136,10 +136,6 @@
 
     @Override
     public void unregisterProperties(Class<?> componentClass, boolean clear) {
-        if (true) {
-            return;
-        }
-
         checkPermission(CONFIG_WRITE);
 
         String componentName = componentClass.getName();