alt34 rev1: Configurator Compilation Fix (#17442)

* move USE_I2C and EE_HANDS definitions to keyboard level

Allow this keyboard to be compiled by QMK Configurator.

* remove redundant DEFAULT_FOLDER rule

keyboards/alt34/rev1/config.h

@@ -44,3 +44,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
 #define LOCKING_RESYNC_ENABLE
+
+/* Use I2C or Serial, not both */
+#define USE_I2C
+// #define USE_SERIAL
+
+/* Select hand configuration */
+#define EE_HANDS
+/* #define MASTER_LEFT */
+/* #define MASTER_RIGHT */

keyboards/alt34/rev1/rules.mk

@@ -19,4 +19,3 @@ AUDIO_ENABLE = no           # Audio output
 
 SPLIT_KEYBOARD = yes
 LAYOUTS = split_3x5_2
-DEFAULT_FOLDER = alt34/rev1