[minor] Drop some usages of kotlin reflection in scripting compiler plugin

libraries/scripting/common/build.gradle.kts

@@ -8,9 +8,7 @@ jvmTarget = "1.6"
 
 dependencies {
     compile(kotlinStdlib())
-    compileOnly(project(":kotlin-reflect-api"))
     compile(commonDep("org.jetbrains.kotlinx", "kotlinx-coroutines-core")) { isTransitive = false }
-    runtime(project(":kotlin-reflect"))
     testCompile(commonDep("junit"))
 }
 

libraries/scripting/common/src/kotlin/script/experimental/api/kotlinType.kt

@@ -25,7 +25,7 @@ class KotlinType private constructor(
     /**
      * Constructs KotlinType from reflected [kclass]
      */
-    constructor(kclass: KClass<*>) : this(kclass.qualifiedName!!, kclass)
+    constructor(kclass: KClass<*>) : this(kclass.java.name, kclass)
 
     // TODO: implement other approach for non-class types
     /**