USB: yurex: kill needless initialization in yurex_read

This prevented the compiler from catching the patch
that broke the driver.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20241007094004.242122-2-oneukum@suse.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/misc/yurex.c

@@ -400,7 +400,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
 			  loff_t *ppos)
 {
 	struct usb_yurex *dev;
-	int len = 0;
+	int len;
 	char in_buffer[20];
 	unsigned long flags;