HID: remove use of DRIVER_LICENSE

Local "#define DRIVER_LICENSE" obfuscates which license is used
in MODULE_LICENSE().  "fgrep -R MODULE_LICENSE" is more informative
when the string is hard coded in MODULE_LICENSE.

Signed-off-by: Grant Grundler <grundler@google.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index cff060b..3146e30 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -43,7 +43,6 @@
  */
 
 #define DRIVER_DESC "HID core driver"
-#define DRIVER_LICENSE "GPL"
 
 int hid_debug = 0;
 module_param_named(debug, hid_debug, int, 0600);
@@ -2866,5 +2865,5 @@ module_exit(hid_exit);
 MODULE_AUTHOR("Andreas Gal");
 MODULE_AUTHOR("Vojtech Pavlik");
 MODULE_AUTHOR("Jiri Kosina");
-MODULE_LICENSE(DRIVER_LICENSE);
+MODULE_LICENSE("GPL");