Don't enforce jemalloc on NetBSD
The NetBSD system allocator is in fact based on the jemalloc, but it doesn't export the extended interface, so we can't use that. Remove the jemalloc enforcement for the NetBSD.
Closes #3634 (closed)
The NetBSD system allocator is in fact based on the jemalloc, but it doesn't export the extended interface, so we can't use that. Remove the jemalloc enforcement for the NetBSD.
Closes #3634 (closed)