Migrate hadron away from QWIIC_DRIVERS (#14415)

keyboards/hadron/ver3/keymaps/default/config.h

@@ -1 +0,0 @@
-#pragma once

keyboards/hadron/ver3/keymaps/default/keymap.c

@@ -9,8 +9,8 @@
 #define _DVORAK 2
 #define _LOWER 3
 #define _RAISE 4
-#define _MOUSECURSOR 8
-#define _ADJUST 16
+#define _MOUSECURSOR 5
+#define _ADJUST 6
 
 enum preonic_keycodes {
   QWERTY = SAFE_RANGE,

keyboards/hadron/ver3/keymaps/readme.md

@@ -1,24 +0,0 @@
-# How to add your own keymap
-
-Folders can be named however you'd like (will be approved upon merging), or should follow the format with a preceding `_`:
-
-    _[ISO 3166-1 alpha-2 code*]_[layout variant]_[layout name/author]
-
-\* See full list: https://en.wikipedia.org/wiki/ISO_3166-1#Officially_assigned_code_elements
-
-and contain the following files:
-
-* `keymap.c`
-* `readme.md` *recommended*
-* `config.h` *optional*, found automatically when compiling
-* `Makefile` *optional*, found automatically when compling
-
-When adding your keymap to this list, keep it organised alphabetically (select list, edit->sort lines), and use this format:
-
-     * **folder_name** description
-
-# List of Hadron keymaps
-
-* **default** default Hadron layout
-* **ishtob** ishtob's Hadron layout
-* **sebaslayout** sebaslayout's Hadron layout