[Light classes] do not write explicit options for IDE

those options are configured explicitly by test
diff --git a/compiler/testData/asJava/lightClasses/lightClassByFqName/EnumClassWithEnumEntries.kt b/compiler/testData/asJava/lightClasses/lightClassByFqName/EnumClassWithEnumEntries.kt
index 80dfb1d..6aa36cb 100644
--- a/compiler/testData/asJava/lightClasses/lightClassByFqName/EnumClassWithEnumEntries.kt
+++ b/compiler/testData/asJava/lightClasses/lightClassByFqName/EnumClassWithEnumEntries.kt
@@ -1,7 +1,5 @@
 // one.MyEnumClass
 // !LANGUAGE: +EnumEntries
-// IDEA tests don't support !LANGUAGE directive:
-// COMPILER_ARGUMENTS: -XXLanguage:+EnumEntries
 
 package one