Keyboard/ergodox debounce (#6994)

* Set default debounce to 30

Lower debounce causes issues, and even 15 isn't lowe enough for the EZ

* Cleanup ergodox ez matrix

keyboards/ergodox_ez/config.h

@@ -40,6 +40,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MOUSEKEY_MAX_SPEED      7
 #define MOUSEKEY_WHEEL_DELAY 0
 
+#define DEBOUNCE 30
+
 #define TAPPING_TOGGLE  1
 
 /* define if matrix has ghost */