Modernize buildFeatures buildConfig setting and clean deprecated gradle property

android/app/build.gradle

@@ -42,6 +42,10 @@ android {
         jvmTarget = '17'
     }
 
+    buildFeatures {
+        buildConfig = true
+    }
+
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }

android/gradle.properties

@@ -1,5 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M -Dandroid.prefs.root=C:/Users/nicol/.android
 android.useAndroidX=true
 android.enableJetifier=true
-android.defaults.buildfeatures.buildconfig=true
 org.gradle.java.home=C:/Program Files/Zulu/zulu-20