cKeys Handwire 101 Refactor (#13879)

* update info.json

- use human-friendly formatting
- remove `key_count` key

* rename LAYOUT to LAYOUT_ortho_4x4

* refactor default keymap

- add license header
- qmk cformat pass
- keycode grid alignment

* remove empty config.h file from default keymap

* update Manufacturer and Product strings

* tidy up handwire_101.c

- add license header
- remove boilerplate functions

* tidy up handwire_101.h

- add license header
- remove instructive comment

* minor rules.mk tidy-up

- remove Bootloader selection sample comments

* rewrite SEND_STRING() statements per fauxpark

Co-authored-by: Ryan <fauxpark@gmail.com>

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/ckeys/handwire_101/handwire_101.h

@@ -1,12 +1,24 @@
+/* Copyright 2019 Branden Byers
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 
 #include "quantum.h"
 
-// This a shortcut to help you visually see your layout.
-// The following is an example using the Planck MIT layout
-// The first section contains all of the arguements
-// The second converts the arguments into a two-dimensional array
-#define LAYOUT( \
+#define LAYOUT_ortho_4x4( \
     k00, k01, k02, k03, \
     k10, k11, k12, k13, \
     k20, k21, k22, k23, \
@@ -18,4 +30,3 @@
     { k20, k21, k22, k23 }, \
     { k30, k31, k32, k33 } \
 }
-