[FIR] Ensure KT-65581 is non-reproducible

It seems it was briefly introduced at
and then present at `2.0.0-dev-14408`,
but no longer is at `2.0.0-dev-16490`

^KT-65581 Obsolete

compiler/testData/diagnostics/tests/typealiasInAnnotationPrimitiveVararg.kt

@@ -0,0 +1,5 @@
+// FIR_IDENTICAL
+// ISSUE: KT-65581
+
+typealias Aliased = Int
+annotation class Tag(vararg val tags: Aliased)