process_keycode: remove direct quantum.h includes (#21486)

quantum/process_keycode/process_tap_dance.c

@@ -13,7 +13,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+
+#include "process_tap_dance.h"
 #include "quantum.h"
+#include "action_layer.h"
+#include "action_tapping.h"
+#include "action_util.h"
+#include "timer.h"
+#include "wait.h"
 
 static uint16_t active_td;
 static uint16_t last_tap_time;