Remove AUTHORS file reference from MANIFEST.in
Remove AUTHORS file reference from MANIFEST.in

As title

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