[Test] Update testdata of fixed test

I don't really know which exact commit fixed this test, but there was
  a problem with return types of delegated members. Before my changes
  delegated `override fun foo(x: Int)` in `actual class E` had error
  return type and now it has correct type `Int`

compiler/testData/diagnostics/tests/multiplatform/defaultParams_inheritanceByDelegation_positive.fir.kt

@@ -1,21 +0,0 @@
-// MODULE: m1-common
-// FILE: common.kt
-<!INCOMPATIBLE_MATCHING{JVM}!>expect class E {
-    <!INCOMPATIBLE_MATCHING{JVM}!>fun f(x: Int): Int<!>
-}<!>
-
-expect class E2 {
-    fun f(x: Int): Int
-}
-
-// MODULE: m2-jvm()()(m1-common)
-// FILE: jvm.kt
-interface I {
-    fun f(x: Int = 5) = x
-}
-
-actual class <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E<!>(i: I) : I by i
-
-actual class E2(i: I) : I by i {
-    actual override fun f<!ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS!>(x: Int)<!> = x
-}

compiler/testData/diagnostics/tests/multiplatform/defaultParams_inheritanceByDelegation_positive.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // MODULE: m1-common
 // FILE: common.kt
 expect class E {