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

plugins/scripting/scripting-compiler/build.gradle.kts

@@ -16,7 +16,6 @@ dependencies {
     compile(project(":kotlin-scripting-jvm"))
     compile(project(":kotlin-scripting-compiler-impl"))
     compile(kotlinStdlib())
-    compileOnly(project(":kotlin-reflect-api"))
     compileOnly(intellijCoreDep()) { includeJars("intellij-core") }
 
     testCompile(project(":compiler:frontend"))

plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/errorReporting.kt

@@ -6,13 +6,14 @@
 package org.jetbrains.kotlin.scripting.compiler.plugin.impl
 
 import org.jetbrains.kotlin.cli.common.arguments.Argument
+import org.jetbrains.kotlin.cli.common.arguments.ArgumentParseErrors
 import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageLocation
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.scripting.definitions.MessageReporter
+import org.jetbrains.kotlin.utils.addToStdlib.firstIsInstanceOrNull
 import kotlin.reflect.KMutableProperty1
-import kotlin.reflect.full.findAnnotation
 import kotlin.script.experimental.api.ResultWithDiagnostics
 import kotlin.script.experimental.api.ScriptDiagnostic
 import kotlin.script.experimental.api.SourceCode
@@ -136,7 +137,7 @@ private fun reportIgnoredArguments(
 ) {
     val ignoredArgKeys = toIgnore.mapNotNull { argProperty ->
         if (argProperty.get(arguments) != argProperty.get(reportingState.currentArguments)) {
-            argProperty.findAnnotation<Argument>()?.value
+            argProperty.annotations.firstIsInstanceOrNull<Argument>()?.value
                 ?: throw IllegalStateException("unknown compiler argument property: $argProperty: no Argument annotation found")
         } else null
     }