Updated conformance failure lists

conformance/failure_list_java.txt

@@ -45,6 +45,3 @@ Required.Proto3.ProtobufInput.PrematureEofInDelimitedDataForKnownNonRepeatedValu
 Required.Proto3.ProtobufInput.PrematureEofInDelimitedDataForKnownRepeatedValue.MESSAGE
 Required.Proto2.ProtobufInput.PrematureEofInDelimitedDataForKnownNonRepeatedValue.MESSAGE
 Required.Proto2.ProtobufInput.PrematureEofInDelimitedDataForKnownRepeatedValue.MESSAGE
-# This test will be fixed as soon as we internally make the switch to
-# preserving unknowns in proto3.
-Required.Proto3.ProtobufInput.UnknownVarint.ProtobufOutput

conformance/failure_list_python.txt

@@ -19,6 +19,3 @@ Required.Proto3.ProtobufInput.IllegalZeroFieldNum_Case_0
 Required.Proto3.ProtobufInput.IllegalZeroFieldNum_Case_1
 Required.Proto3.ProtobufInput.IllegalZeroFieldNum_Case_2
 Required.Proto3.ProtobufInput.IllegalZeroFieldNum_Case_3
-# This test will be fixed as soon as we internally make the switch to
-# preserving unknowns in proto3.
-Required.Proto3.ProtobufInput.UnknownVarint.ProtobufOutput

conformance/failure_list_python_cpp.txt

@@ -52,6 +52,3 @@ Required.Proto2.ProtobufInput.PrematureEofInPackedField.SINT32
 Required.Proto2.ProtobufInput.PrematureEofInPackedField.SINT64
 Required.Proto2.ProtobufInput.PrematureEofInPackedField.UINT32
 Required.Proto2.ProtobufInput.PrematureEofInPackedField.UINT64
-# This test will be fixed as soon as we internally make the switch to
-# preserving unknowns in proto3.
-Required.Proto3.ProtobufInput.UnknownVarint.ProtobufOutput