staging: comedi: adl_pci9118: absorb move_block_from_dma()

Absorb this simple helper function into interrupt_pci9118_ai_dma().

Remove the unnecessary local variables 'sampls' and 'm'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>