Roll back resource API changes that triggered a bug in the Java compiler

Change-Id: I9e6891fe156148692e59476cb2bec6defb1f9a70
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java b/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
index e67bbe9..29eeb24 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
@@ -37,7 +37,7 @@
      * @param resources resources to be registered
      * @return true if the registration succeeds, false otherwise
      */
-    boolean register(List<? extends Resource> resources);
+    boolean register(List<Resource> resources);
 
     /**
      * Unregisters the resources in transactional way.
@@ -48,7 +48,7 @@
      * @param ids resources to be unregistered
      * @return true if the registration succeeds, false otherwise
      */
-    boolean unregister(List<? extends ResourceId> ids);
+    boolean unregister(List<ResourceId> ids);
 
     /**
      * Allocates the specified resources to the specified consumer in transactional way.
@@ -60,7 +60,7 @@
      * @param consumer resource consumer which the resources are allocated to
      * @return true if the allocation succeeds, false otherwise.
      */
-    boolean allocate(List<? extends Resource> resources, ResourceConsumer consumer);
+    boolean allocate(List<Resource> resources, ResourceConsumer consumer);
 
     /**
      * Releases the specified allocated resources in transactional way.