[Test] Replace remaining KOTLIN_CONFIGURATION_FLAGS directives with specific ones

compiler/testData/codegen/box/parametersMetadata/extensionFunction.kt

@@ -2,7 +2,7 @@
 // TARGET_BACKEND: JVM
 // WITH_RUNTIME
 // FULL_JDK
-// KOTLIN_CONFIGURATION_FLAGS: +JVM.PARAMETERS_METADATA
+// PARAMETERS_METADATA
 
 class A() {
     fun String.test(OK: String) {
@@ -18,4 +18,4 @@ fun box(): String {
     if (!parameters[0].isImplicit() || parameters[0].isSynthetic()) return "wrong modifier on receiver parameter: ${parameters[0].modifiers}"
 
     return parameters[1].name
-}
+}