staging: line6: drop MIDI from CONFIG_LINE6_USB_DUMP_ANY

CONFIG_LINE6_USB_DUMP_MIDI is no longer used by the code and therefore
no longer plays a role in CONFIG_LINE6_USB_DUMP_ANY.
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/line6/driver.h

@@ -20,7 +20,7 @@
 
 #define DRIVER_NAME "line6usb"
 
-#if defined(CONFIG_LINE6_USB_DUMP_MIDI) || defined(CONFIG_LINE6_USB_DUMP_PCM)
+#if defined(CONFIG_LINE6_USB_DUMP_PCM)
 #define CONFIG_LINE6_USB_DUMP_ANY
 #endif