Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts"

This reverts commit 8464dd52d3198dd05, which was a misapplied debugging
version of the patch, not the final patch itself.

Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: stable@vger.kernel.org
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index d25bc97..43cd0b5 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1231,10 +1231,6 @@
 		host->sd_error = true;
 		dev_dbg(&host->pd->dev, "int err state = %08x\n", state);
 	}
-	if (host->state == STATE_IDLE) {
-		dev_info(&host->pd->dev, "Spurious IRQ status 0x%x", state);
-		return IRQ_HANDLED;
-	}
 	if (state & ~(INT_CMD12RBE | INT_CMD12CRE)) {
 		if (!host->dma_active)
 			return IRQ_WAKE_THREAD;