[Keyboard] Reduce compiled size for pk64rgb's via keymap (#15118)

keyboards/playkbtw/pk64rgb/config.h

@@ -78,7 +78,7 @@
 #    define RGBLIGHT_EFFECT_KNIGHT
 #    define RGBLIGHT_EFFECT_CHRISTMAS
 #    define RGBLIGHT_EFFECT_STATIC_GRADIENT
-#    define RGBLIGHT_EFFECT_ALTERNATING
+// #    define RGBLIGHT_EFFECT_ALTERNATING
 #    define RGBLIGHT_EFFECT_TWINKLE
 #    define RGBLED_NUM 18
 #    define RGBLIGHT_HUE_STEP 5

keyboards/playkbtw/pk64rgb/info.json

@@ -1,10 +1,10 @@
 {
-  "keyboard_name": "PK64RGB",
-  "url": "",
-  "maintainer": "yj7272098",
-  "layouts": {
-  "LAYOUT_64_ansi":
-            [
+    "keyboard_name": "PK64RGB",
+    "url": "",
+    "maintainer": "yj7272098",
+    "layouts": {
+        "LAYOUT_64_ansi": {
+            "layout": [
                 {"x":0, "y":0},
                 {"x":1, "y":0},
                 {"x":2, "y":0},
@@ -76,8 +76,8 @@
                 {"x":11, "y":4},
                 {"x":12, "y":4},
                 {"x":13, "y":4},
-                {"x":14, "y":4},
-                
-]
-}
+                {"x":14, "y":4}
+            ]
+        }
+    }
 }

keyboards/playkbtw/pk64rgb/keymaps/via/rules.mk

@@ -1,2 +1,2 @@
-LTO_ENABLE = yes
 VIA_ENABLE = yes
+SPACE_CADET_ENABLE = no