client_t and CLIENT_MAGIC are unused, so remove them

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

Index: 2.6.13-rc3-git2/drivers/pcmcia/cs_internal.h
===================================================================
--- 2.6.13-rc3-git2.orig/drivers/pcmcia/cs_internal.h
+++ 2.6.13-rc3-git2/drivers/pcmcia/cs_internal.h
@@ -17,9 +17,6 @@
 
 #include <linux/config.h>
 
-#define CLIENT_MAGIC 	0x51E6
-typedef struct client_t client_t;
-
 /* Flags in client state */
 #define CLIENT_CONFIG_LOCKED	0x0001
 #define CLIENT_IRQ_REQ		0x0002