[6.x] Remove serializer option for now #31417
Merged
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Apparently when #31393 was merged it broke the test suite because the test suite was now actually running with the proper tests to verify the serializer behavior. This actually showed that the serializer option never worked in the first place.
This PR will remove the broken serializer option for now. If anyone wants to tackle implementing it again with passing tests they can attempt a new PR.
I also fixed two incorrect variable names.