Update build optimizations (#6433)

authenticator/build.gradle.kts

@@ -260,18 +260,6 @@ protobuf {
     }
 }
 
-tasks.withType<Test>().configureEach {
-    useJUnitPlatform()
-    @Suppress("MagicNumber")
-    forkEvery = 100
-    maxHeapSize = "2g"
-    maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
-    jvmArgs = jvmArgs.orEmpty() + "-XX:+UseParallelGC" +
-        // Explicitly setting the user Country and Language because tests assume en-US
-        "-Duser.country=US" +
-        "-Duser.language=en"
-}
-
 private fun renameFile(path: String, newName: String) {
     val originalFile = File(path)
     if (!originalFile.exists()) {