staging: wilc1000: remove wilc_sdio_init

wilc_sdio_init return always 1, which is needless. Remove it and it's related
codes also.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_sdio.c

@@ -185,11 +185,6 @@ static void wilc_sdio_disable_interrupt(struct wilc *dev)
 	dev_info(&func->dev, "wilc_sdio_disable_interrupt OUT\n");
 }
 
-static int wilc_sdio_init(void)
-{
-	return 1;
-}
-
 /********************************************
  *
  *      Function 0
@@ -611,11 +606,6 @@ static int sdio_init(struct wilc *wilc)
 
 	g_sdio.irq_gpio = (wilc->dev_irq_num);
 
-	if (!wilc_sdio_init()) {
-		dev_err(&func->dev, "Failed io init bus...\n");
-		return 0;
-	}
-
 	/**
 	 *      function 0 csa enable
 	 **/