staging: ks7010: remove non-SDIO code and #ifdefs

I couldn't find any trace of code or even products using ks7010 with
something else than SDIO. So, remove the conditionals.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/ks7010/Makefile b/drivers/staging/ks7010/Makefile
index 68b7ebf..32b0efc7 100644
--- a/drivers/staging/ks7010/Makefile
+++ b/drivers/staging/ks7010/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_KS7010) += ks7010.o
 
-ccflags-y 	     += -D_SDIO_ -DKS_WLAN_DEBUG=0
+ccflags-y 	     += -DKS_WLAN_DEBUG=0
 ks7010-y	     := michael_mic.o ks_hostif.o ks_wlan_net.o ks_debug.o \
 					ks7010_sdio.o ks7010_config.o