Remove ScriptModificationListener compat after removing 182

#KT-33536 Fixed

idea/idea-gradle/src/org/jetbrains/kotlin/idea/core/script/GradleScriptTemplateProvider.kt

@@ -32,7 +32,6 @@ import org.jetbrains.kotlin.scripting.definitions.ScriptDefinition
 import org.jetbrains.kotlin.scripting.definitions.getEnvironment
 import org.jetbrains.kotlin.scripting.resolve.KotlinScriptDefinitionFromAnnotatedTemplate
 import org.jetbrains.plugins.gradle.config.GradleSettingsListenerAdapter
-import org.jetbrains.plugins.gradle.service.execution.GradleExecutionHelper
 import org.jetbrains.plugins.gradle.settings.DistributionType
 import org.jetbrains.plugins.gradle.settings.GradleExecutionSettings
 import org.jetbrains.plugins.gradle.settings.GradleProjectSettings
@@ -81,8 +80,6 @@ class GradleScriptDefinitionsContributor(private val project: Project) : ScriptD
             }
         }
         project.messageBus.connect(project).subscribe(GradleSettingsListener.TOPIC, listener)
-
-        initializeScriptModificationListener(project)
     }
 
     // NOTE: control flow here depends on suppressing exceptions from loadGradleTemplates calls

idea/idea-gradle/src/org/jetbrains/kotlin/idea/core/script/ScriptModificationListener.kt

@@ -1,17 +0,0 @@
-/*
- * Copyright 2000-2018 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.idea.core.script
-
-import com.intellij.openapi.project.Project
-
-// BUNCH: 182
-fun initializeScriptModificationListener(project: Project) {
-
-}
-
-// This service was a workaround for the bug in the platform: the notification 'Gradle project needs to be imported' wasn't shown
-// after the changes in .gradle.kts files
-// It was fixed in >183 (see GradleAutoImportAware.getAffectedExternalProjectFiles)