Auto merge of #7236 - nox:dictionary-failure-code, r=Ms2ger

Fix dictionary member conversion failure (fixes #7231)



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components/script/dom/bindings/codegen/CodegenRust.py

@@ -4696,7 +4696,6 @@ class CGDictionary(CGThing):
                                          descriptorProvider,
                                          isMember="Dictionary",
                                          defaultValue=member.defaultValue,
-                                         failureCode="return Err(());",
                                          exceptionCode="return Err(());"))
             for member in dictionary.members]