Declare errors in Object.Delete interface

The Delete interface can throw an InternalFailure error.

Change-Id: I36c42b97d862cf534d34c6f24a14388f7304940f
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
diff --git a/xyz/openbmc_project/Object/Delete.interface.yaml b/xyz/openbmc_project/Object/Delete.interface.yaml
index bcddbeb..fa84e9c 100644
--- a/xyz/openbmc_project/Object/Delete.interface.yaml
+++ b/xyz/openbmc_project/Object/Delete.interface.yaml
@@ -4,5 +4,7 @@
     - name: Delete
       description: >
           Delete the object implementing Delete.
+      errors:
+        - xyz.openbmc_project.Common.Error.InternalFailure
 
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