[Keyboard] Move Handwired K552 into my folder name (#15973)

keyboards/horrortroll/handwired_k552/keymaps/via/config.h

@@ -17,3 +17,7 @@
 #pragma once
 
 #define DYNAMIC_KEYMAP_LAYER_COUNT 3
+
+#ifdef RGB_MATRIX_ENABLE
+    #define VIA_QMK_RGBLIGHT_ENABLE
+#endif

keyboards/horrortroll/handwired_k552/keymaps/via/keymap_stuff.h

@@ -14,10 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "rgb_matrix.h"
-#include "progmem.h"
-#include "config.h"
-#include "eeprom.h"
 #include <string.h>
 #include <math.h>
 
@@ -84,7 +80,7 @@ enum layer_keycodes {
     RGB_C_E,             //Cycle user effect
 };
 
-void keyboard_post_init_kb(void) {
+void keyboard_post_init_user(void) {
     user_config.raw = eeconfig_read_user();
     switch (user_config.rgb_mode) {
         case RGB_MODE_ALL: