Revert "Correctly raise OS error in socketpool_socket_recv_into()"

[dhalbert]

Reverts #7623.

@DavePutz: @jepler brought up that the mp_raise is being done in the internal routine socketpool_socket_recv_into(). There is already a raise in common_halsocket_pool_socket_recv_into() In general these routines below common_hal...() do not raise, because they are called from other places that don't expect them to raise, like the web workflow implementation.

So I think we need to revert this, and figure out what routine is leaking the -116 returned by socketpool_socket_recv_into() into a general "count" return. I looked at this a bit, but couldn't find such a place.

[dhalbert]

Supersededby #7632.