Remove tests for descriptive and access metadata

That functionality lives in ActiveFedora and Hyra::AccessControls.
We don't need to test for it here.

See #53 for further discussion of where ACLs belong.

spec/hydra/pcdm/models/collection_spec.rb

@@ -189,7 +189,7 @@ class Awbject < Hydra::PCDM::Object
       expect(collection1.objects).to eq []
     end
 
-    it 'should return empty array when only collections are aggregated' do      
+    it 'should return empty array when only collections are aggregated' do
       collection1.collections = [collection2,collection3]
       collection1.save
       expect(collection1.objects).to eq []
@@ -202,21 +202,4 @@ class Awbject < Hydra::PCDM::Object
       expect(collection1.objects).to eq [object1,object2]
     end
   end
-
-  describe '#METHOD_TO_SET_METADATA' do
-    xit 'should be able to set descriptive metadata' do
-      #   6) Hydra::PCDM::Collection can have descriptive metadata
-
-      # TODO Write test
-
-    end
-
-    xit 'should be able to set access metadata' do
-      #   7) Hydra::PCDM::Collection can have access metadata
-
-      # TODO Write test
-
-    end
-  end
-
 end

spec/hydra/pcdm/models/object_spec.rb

@@ -86,23 +86,4 @@
 
     end
   end
-
-
-
-  describe '#METHOD_TO_SET_METADATA' do
-    xit 'should be able to set descriptive metadata' do
-      #   6) Hydra::PCDM::Collection can have descriptive metadata
-
-      # TODO Write test
-
-    end
-
-    xit 'should be able to set access metadata' do
-      #   7) Hydra::PCDM::Object can have descriptive metadata
-
-      # TODO Write test
-
-    end
-  end
-
 end