Remove Moderator Sample because there is no Moderator API.
Reviewed in https://codereview.appspot.com/6776055/.
diff --git a/docs/dyn/compute_v1beta12.kernels.html b/docs/dyn/compute_v1beta12.kernels.html
index 2cd2dc3..882347b 100644
--- a/docs/dyn/compute_v1beta12.kernels.html
+++ b/docs/dyn/compute_v1beta12.kernels.html
@@ -119,7 +119,7 @@
   An object of the form:
 
     {
-    "nextPageToken": "A String", # A token used to continue a truncated list request.
+    "nextPageToken": "A String", # A token used to continue a truncated list request (output only).
     "items": [ # The kernel resources.
       {
         "kind": "compute#kernel", # Type of the resource.