Remove unused code.
Remove unused code.

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