fixed "Your Name" in header (#15591)

* cleaned up for pr

* Update keyboards/massdrop/alt/keymaps/b/config.h

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/massdrop/alt/keymaps/b/config.h

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/massdrop/alt/keymaps/b/config.h

Co-authored-by: Drashna Jaelre <drashna@live.com>

* SPDX copyright header

* renamed keymap folder to b_

* Your Name

Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/massdrop/alt/keymaps/b_/config.h

@@ -1,4 +1,4 @@
-// Copyright 2021 Your Name (@b-)
+// Copyright 2021 br (@b-)
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once

keyboards/massdrop/alt/keymaps/b_/keymap.c

@@ -1,4 +1,4 @@
-// Copyright 2021 Your Name (@b-)
+// Copyright 2021 br (@b-)
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include QMK_KEYBOARD_H