Fix not being able to deal with uints from subscribers

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Related Issue

Motivation and Context

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Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

controller/nucleus/networkElementWatcher.go

@@ -256,8 +256,6 @@ func (n *NetworkElementWatcher) handleSubscribeResponseUpdate(resp *gpb.Subscrib
 			log.Errorf("The given value of type: %T, provided by a SubResponse from network element with ID: %s is not supported", v, subscriptionInfo.NetworkElementID)
 			return
 		}
-
-		update.Val.GetUintVal()
 	}
 
 	mneID, err := uuid.Parse(subscriptionInfo.NetworkElementID)