fix: remove new arch checks from gradle

Author: JakubGonera

android/build.gradle

@@ -33,16 +33,10 @@ def reactNativeArchitectures() {
   return architectures.findAll { it in defaultArchitectures }
 }
 
-def isNewArchitectureEnabled() {
-  return rootProject.hasProperty("newArchEnabled") && rootProject.getProperty("newArchEnabled") == "true"
-}
-
 apply plugin: "com.android.library"
 apply plugin: "kotlin-android"
+apply plugin: "com.facebook.react"
 
-if (isNewArchitectureEnabled()) {
-  apply plugin: "com.facebook.react"
-}
 
 def getExtOrDefault(name) {
   return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties["RnExecutorch_" + name]
@@ -115,7 +109,6 @@ android {
   defaultConfig {
     minSdkVersion getExtOrIntegerDefault("minSdkVersion")
     targetSdkVersion getExtOrIntegerDefault("targetSdkVersion")
-    buildConfigField("boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString())
     externalNativeBuild {
         cmake {
           cppFlags "-O2 -frtti -fexceptions -Wall -fstack-protector-all"