[hot-fix][CI]Disable mypy for ethosu

[mikepapadim]

Fix for failing CI on ethosu mypy sanity checks

@tqchen @mehrdadh

[tqchen]

cc @manupa-arm

[manupak]

Thanks for catching this! Any idea why it did not fail before?

cc: @mbaret @ashutosh-arm

[mikepapadim]

@manupa-arm it looks like the changes causing this one are from here #8806

[manupak]

Thanks @mikepapadim! but I believe it passed CI with those checks. Did anything change on the CI ?

[asparkhi]

Missing stub warnings can be fixed with this:

mypy --check-untyped-defs python/tvm/relay/backend/contrib/ethosu/ --ignore-missing-imports

[areusch]

this hit #9013, we also need to fix that.

[AndrewZhaoLuo]

Can we set up a big red button that merges something without CI passing?

[mikepapadim]

this hit #9013, we also need to fix that.

This bug hits also stagging Jenkins.

[mikepapadim]

@areusch I think this PR can be closed if #9052 get through.

[junrushao]

i dont think committers have permission to merge a pr without CI green. maybe it's a merge conflict?

[areusch]

i think we don't need this anymore. closing, feel free to reopen if we do need it.