Migrate dynamic_keymap.layer_count >= 4 (#22087)

keyboards/primekb/prime_e/config.h

@@ -21,5 +21,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
 #define LOCKING_RESYNC_ENABLE
-
-#define DYNAMIC_KEYMAP_LAYER_COUNT 8

keyboards/primekb/prime_e/info.json

@@ -10,6 +10,9 @@
     "rows": ["E6", "C7", "B5", "B4"]
   },
   "diode_direction": "COL2ROW",
+  "dynamic_keymap": {
+    "layer_count": 8
+  },
   "processor": "atmega32u4",
   "bootloader": "atmel-dfu",
   "layouts": {