[Build] Remove testApi(intellijDep()) dependencies from all modules

Since IDEA moved most of it's jars to java 11 it's illegal to use them
  in our dependencies, so all modules which use `intellijDep()` should
  carefully specify which jars they use

core/descriptors.runtime/build.gradle.kts

@@ -25,8 +25,8 @@ dependencies {
     testApi(projectTests(":compiler:tests-common"))
     testApi(projectTests(":generators:test-generator"))
 
-    testRuntimeOnly(intellijCoreDep()) { includeJars("intellij-core") }
-    testRuntimeOnly(intellijDep()) { includeJars("platform-concurrency") }
+    testApi(intellijCoreDep()) { includeJars("intellij-core") }
+    testRuntimeOnly(intellijDep()) { includeJars("platform-concurrency", "idea_rt", rootProject = rootProject) }
     testRuntimeOnly(jpsStandalone()) { includeJars("jps-model") }
 }