config: remove HSA config variable `DISABLE_HSA`
config: remove HSA config variable `DISABLE_HSA`

Removed as HSA support no longer exists.
IntelLabs/numba,cpcloud/numba,numba/numba,seibert/numba,seibert/numba,numba/numba,IntelLabs/numba,IntelLabs/numba,seibert/numba,cpcloud/numba,seibert/numba,cpcloud/numba,numba/numba,cpcloud/numba,seibert/numba,IntelLabs/numba,numba/numba,IntelLabs/numba,cpcloud/numba,numba/numba