Switch kotlinx-coroutines usages to regular dependency

prepare/idea-plugin/build.gradle.kts

@@ -1,19 +1,3 @@
-/*
- * Copyright 2010-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import org.gradle.jvm.tasks.Jar
@@ -87,7 +71,9 @@ dependencies {
     sideJars(project(":kotlin-compiler-client-embeddable"))
     sideJars(commonDep("io.javaslang", "javaslang"))
     sideJars(commonDep("javax.inject"))
-    sideJars(preloadedDeps("markdown", "kotlinx-coroutines-core", "kotlinx-coroutines-jdk8"))
+    sideJars(commonDep("org.jetbrains.kotlinx", "kotlinx-coroutines-core")) { isTransitive = false }
+    sideJars(commonDep("org.jetbrains.kotlinx", "kotlinx-coroutines-jdk8")) { isTransitive = false }
+    sideJars(preloadedDeps("markdown"))
 }
 
 val jar = runtimeJar(task<ShadowJar>("shadowJar")) {