Remove 173 bunch files

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/modules/javaVersionUtils.kt.173

@@ -1,12 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. 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.cli.jvm.modules
-
-import com.intellij.openapi.util.SystemInfo
-
-fun isAtLeastJava9(): Boolean {
-    return SystemInfo.isJavaVersionAtLeast("9")
-}