Improve `buildSrc` setup (#342)

examples/todoapp/buildSrc/build.gradle.kts

@@ -1,6 +1,5 @@
 plugins {
     `kotlin-dsl`
-    `kotlin-dsl-precompiled-script-plugins`
 }
 
 repositories {
@@ -11,22 +10,6 @@ repositories {
     maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
 }
 
-buildscript {
-    repositories {
-        // TODO: remove after new build is published
-        mavenLocal()
-        google()
-        jcenter()
-        maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
-    }
-
-    dependencies {
-        classpath(Deps.JetBrains.Compose.gradlePlugin)
-        classpath(Deps.JetBrains.Kotlin.gradlePlugin)
-        classpath(Deps.Android.Tools.Build.gradlePlugin)
-    }
-}
-
 dependencies {
     implementation(Deps.JetBrains.Compose.gradlePlugin)
     implementation(Deps.JetBrains.Kotlin.gradlePlugin)

examples/todoapp/buildSrc/src/main/kotlin/android-setup.gradle.kts

@@ -1,5 +1,3 @@
-import gradle.kotlin.dsl.accessors._2e8a70bdda5e56ec477a6ff432ddf9d7.android
-
 plugins {
     id("com.android.library")
 }