FIR IDE: move KotlinOutOfBlockModificationTrackerFactory to frontend independent module

idea/idea-analysis/src/org/jetbrains/kotlin/trackers/KotlinFE10OutOfBlockModificationTracker.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-2020 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.trackers
+
+import com.intellij.openapi.module.Module
+import com.intellij.openapi.util.ModificationTracker
+
+class KotlinFE10OutOfBlockModificationTracker : KotlinOutOfBlockModificationTrackerFactory() {
+    override fun createProjectWideOutOfBlockModificationTracker(): ModificationTracker =
+        throwUnsupportedError()
+
+    override fun createModuleWithoutDependenciesOutOfBlockModificationTracker(module: Module): ModificationTracker =
+        throwUnsupportedError()
+
+    private fun throwUnsupportedError(): Nothing =
+        error("Supported only for FIR plugin now, sorry, consider using KotlinModificationTrackerService instead")
+}