move custom code out of non custom package

app/src/main/java/com/robtopx/geometryjump/GJConstants.kt

@@ -1,9 +0,0 @@
-package com.robtopx.geometryjump
-
-object GJConstants {
-    const val PACKAGE_NAME = "com.robtopx.geometryjump"
-
-    const val COCOS_LIB_NAME = "cocos2dcpp"
-    const val FMOD_LIB_NAME = "fmod"
-    const val MOD_CORE_LIB_NAME = "geode"
-}

app/src/main/java/com/robtopx/geometryjump/LaunchUtils.kt

@@ -1,24 +0,0 @@
-package com.robtopx.geometryjump
-
-import android.content.pm.PackageInfo
-import android.content.pm.PackageManager
-import android.content.res.AssetManager
-
-object LaunchUtils {
-    fun isGeometryDashInstalled(packageManager: PackageManager): Boolean {
-        return try {
-            packageManager.getPackageInfo(GJConstants.PACKAGE_NAME, 0)
-            true
-        } catch (e: PackageManager.NameNotFoundException) {
-            false
-        }
-    }
-
-    fun addAssetsFromPackage(assetManager: AssetManager, packageInfo: PackageInfo) {
-        // this method is officially marked as deprecated but it is the only method we are allowed to reflect
-        // (the source recommends replacing with AssetManager.setApkAssets(ApkAssets[], boolean) lol)
-        val clazz = assetManager.javaClass
-        val aspMethod = clazz.getDeclaredMethod("addAssetPath", String::class.java)
-        aspMethod.invoke(assetManager, packageInfo.applicationInfo.sourceDir)
-    }
-}