[TEST] Migrate AbstractDiagnosticsWithUnsignedTypes to new test runners

compiler/tests-common/tests/org/jetbrains/kotlin/checkers/AbstractDiagnosticsWithUnsignedTypes.kt

@@ -1,27 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.checkers
-
-import org.jetbrains.kotlin.config.AnalysisFlags
-import org.jetbrains.kotlin.config.ApiVersion
-import org.jetbrains.kotlin.config.LanguageVersion
-import org.jetbrains.kotlin.config.LanguageVersionSettings
-import org.jetbrains.kotlin.test.ConfigurationKind
-
-abstract class AbstractDiagnosticsWithUnsignedTypes : AbstractDiagnosticsTest() {
-
-    override fun extractConfigurationKind(files: List<TestFile>): ConfigurationKind {
-        return ConfigurationKind.NO_KOTLIN_REFLECT
-    }
-
-    override fun defaultLanguageVersionSettings(): LanguageVersionSettings =
-        CompilerTestLanguageVersionSettings(
-            DEFAULT_DIAGNOSTIC_TESTS_FEATURES,
-            ApiVersion.LATEST_STABLE,
-            LanguageVersion.LATEST_STABLE,
-            mapOf(AnalysisFlags.useExperimental to listOf("kotlin.ExperimentalUnsignedTypes"))
-        )
-}