Staging: w35und: kill WBDEBUG and remove common.h header file

The only remaining thing in common.h header file is the WBDEBUG() macro which
is unconditionally defined as printk(). Kill the macro and remove the header
file.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/winbond/wb35reg.c b/drivers/staging/winbond/wb35reg.c
index e9d1b73..59ae5ef 100644
--- a/drivers/staging/winbond/wb35reg.c
+++ b/drivers/staging/winbond/wb35reg.c
@@ -149,7 +149,7 @@
 
 	if (ret < 0) {
 		#ifdef _PE_REG_DUMP_
-		WBDEBUG(("EP0 Write register usb message sending error\n"));
+		printk("EP0 Write register usb message sending error\n");
 		#endif
 
 		pHwData->SurpriseRemove = 1; // 20060704.2
@@ -316,7 +316,7 @@
 
 	if (ret < 0) {
 		#ifdef _PE_REG_DUMP_
-		WBDEBUG(("EP0 Read register usb message sending error\n"));
+		printk("EP0 Read register usb message sending error\n");
 		#endif
 
 		pHwData->SurpriseRemove = 1; // 20060704.2
@@ -441,7 +441,7 @@
 
 	if (ret < 0) {
 #ifdef _PE_REG_DUMP_
-		WBDEBUG(("EP0 Irp sending error\n"));
+		printk("EP0 Irp sending error\n");
 #endif
 		goto cleanup;
 	}
@@ -480,7 +480,7 @@
 
 		if (reg->EP0VM_status) {
 #ifdef _PE_REG_DUMP_
-			WBDEBUG(("EP0 IoCompleteRoutine return error\n"));
+			printk("EP0 IoCompleteRoutine return error\n");
 #endif
 			reg->EP0vm_state = VM_STOP;
 			pHwData->SurpriseRemove = 1;
@@ -529,7 +529,7 @@
 			kfree(reg_queue);
 		} else {
 			#ifdef _PE_REG_DUMP_
-			WBDEBUG(("EP0 queue release error\n"));
+			printk("EP0 queue release error\n");
 			#endif
 		}
 		spin_lock_irq( &reg->EP0VM_spin_lock );