[Keymap] Fix rgb matrix effects on dshields keymaps. (#6505)

keyboards/planck/keymaps/dshields/keymap.c

@@ -43,6 +43,12 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     )
 };
 
+/*
+void matrix_init_user(void) {
+    eeconfig_init();
+};
+*/
+
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     if (!process_record_dynamic_macro(keycode, record)) {
         return false;