Refactor minidox to use split_common (#7924)

* Initial refactor of minidox to split_common

* post rebase fixes

keyboards/minidox/config.h

@@ -15,8 +15,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#pragma once
 
 #include "config_common.h"
 
@@ -61,9 +60,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-#ifdef SUBPROJECT_rev1
-    #include "rev1/config.h"
-#endif
-
-#endif