Allow the app to compile again.

android/settings.gradle.kts

@@ -18,9 +18,12 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
+
     id("com.android.application") version "9.4.1" apply false
+
+    // This must exist to satisfy Flutter's Gradle plugin validation for AGP 9 bundled Kotlin:
+    // "Error: Your project's Kotlin version (2.2.10) is lower than Flutter's minimum supported version of 2.2.20."
     id("org.jetbrains.kotlin.android") version "2.4.20" apply false
-    id("org.gradle.toolchains.foojay-resolver-convention") version "1.0.0"
 }
 
 include(":app")