Remove f-strings in setup.py
Remove f-strings in setup.py

As title.

Closes #5854

seibert/numba,stuartarchibald/numba,numba/numba,sklam/numba,IntelLabs/numba,gmarkall/numba,cpcloud/numba,cpcloud/numba,stuartarchibald/numba,sklam/numba,sklam/numba,seibert/numba,IntelLabs/numba,numba/numba,stuartarchibald/numba,cpcloud/numba,IntelLabs/numba,sklam/numba,numba/numba,gmarkall/numba,gmarkall/numba,numba/numba,stonebig/numba,gmarkall/numba,seibert/numba,gmarkall/numba,stuartarchibald/numba,stonebig/numba,stonebig/numba,stonebig/numba,stuartarchibald/numba,seibert/numba,cpcloud/numba,IntelLabs/numba,IntelLabs/numba,seibert/numba,sklam/numba,stonebig/numba,numba/numba,cpcloud/numba