chore(example): organize skus

Author: hyochan

Example/src/main/java/dev/hyo/martie/Constants.kt

@@ -1,10 +1,7 @@
 package dev.hyo.martie
 
 object IapConstants {
-    private fun isHorizon(): Boolean =
-        dev.hyo.martie.BuildConfig.OPENIAP_STORE.equals("horizon", ignoreCase = true)
-
-    private val HORIZON_INAPP = listOf(
+    val INAPP_SKUS = listOf(
         "dev.hyo.martie.10bulbs",
         "dev.hyo.martie.30bulbs",
         "dev.hyo.martie.certified"  // Non-consumable
@@ -19,10 +16,3 @@ object IapConstants {
     const val PREMIUM_MONTHLY_BASE_PLAN = "premium"       // Monthly base plan
     const val PREMIUM_YEARLY_BASE_PLAN = "premium-year"   // Yearly base plan
 }
-
-    val INAPP_SKUS: List<String>
-        get() = if (isHorizon()) HORIZON_INAPP else PLAY_INAPP
-
-    val SUBS_SKUS: List<String>
-        get() = if (isHorizon()) HORIZON_SUBS else PLAY_SUBS
-}