sh: Kill off broken dma page ops.

There's no point in keeping these around, they've been broken
for some time, and the dmaenging/async_tx framework provides a
far more reasonable interface.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/drivers/dma/Kconfig

@@ -36,23 +36,6 @@ config NR_DMA_CHANNELS
 	  support. Setting this to a higher value allows for cascading DMACs
 	  with additional channels.
 
-config DMA_PAGE_OPS
-	bool "Use DMAC for page copy/clear"
-	depends on SH_DMA && BROKEN
-	help
-	  Selecting this option will use a dual-address mode configured channel
-	  in the SH DMAC for copy_page()/clear_page(). Primarily a performance
-	  hack.
-
-config DMA_PAGE_OPS_CHANNEL
-	depends on DMA_PAGE_OPS
-	int "DMA channel for sh memory-manager page copy/clear"
-	default "3"
-	help
-	  This allows the specification of the dual address dma channel,
-	  in case channel 3 is unavailable. On the SH4, channels 1,2, and 3
-	  are dual-address capable.
-
 config SH_DMABRG
 	bool "SH7760 DMABRG support"
 	depends on CPU_SUBTYPE_SH7760