Prune trailing newlines when enums are disabled

Kubernetes-commit: d0967bbe5e78dbcdd5bc189d5fc2becafc4be0f2

pkg/util/openapi/enablement.go

@@ -68,7 +68,7 @@ func pruneEnums(schema *spec.Schema) *spec.Schema {
 				// note that the new lines before the header should be removed too,
 				// thus the slice range.
 				clone()
-				schema.Description = schema.Description[:headerIndex]
+				schema.Description = strings.TrimSpace(schema.Description[:headerIndex])
 			}
 			if len(schema.Enum) != 0 {
 				// remove the enum field