Don't propagate reified markers for special enum functions

#KT-18254 Fixed

compiler/testData/codegen/boxInline/enum/valueOf.kt

@@ -2,8 +2,8 @@
 // WITH_RUNTIME
 package test
 
-inline fun <reified T : Enum<T>> myValueOf(): String {
-    return enumValueOf<T>("OK").name
+inline fun <reified X : Enum<X>> myValueOf(): String {
+    return enumValueOf<X>("OK").name
 }
 
 enum class Z {