[Bug] Remove config.h include in dynamic_keymap.c (#15886)

quantum/dynamic_keymap.c

@@ -14,7 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "config.h"
 #include "keymap.h"  // to get keymaps[][][]
 #include "eeprom.h"
 #include "progmem.h"  // to read default from flash