Update code_model to 'default'
Update code_model to 'default'

As title.

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