remove unused self_arg from thunder.dynamo.utils.is_node_supported_by_thunder

[crcrpar]

What does this PR do?

As per title.

[mruberry]

The test failures appear to be unrelated:

Wrote XML report to coverage.xml
+ ./codecov --token=*** --commit=5efa041b7c2b6f256bf1571a043d58267faaf3e1 --flags=gpu,pytest,networks --name=GPU-coverage --env=linux,azure
/__w/_temp/b50911ff-a252-4a97-8003-3fbfbb5d1ac2.sh: line 14: ./codecov: No such file or directory

##[error]Bash exited with code '127'.

I filed #1547 for that issue

[mruberry]

[mruberry]

fyi @t-vi this may require overriding the auto-merge