[FIR] Don't set up expected type for function body

compiler/testData/diagnostics/tests/callableReference/generic/nestedCallWithOverload.fir.fail

@@ -1,8 +0,0 @@
-Failures detected in FirBodyResolveTransformerAdapter, file: /nestedCallWithOverload.fir.kt
-Cause: java.lang.RuntimeException: While resolving call R?C|/baz|(R?C|/id|(<L> = id@fun <implicit>.<anonymous>(): <implicit> {
-    it#.inv#()
-}
-), R|/id|<R|(kotlin/Int) -> kotlin/Unit|>(<L> = id@fun <anonymous>(it: R|kotlin/Int|): R|kotlin/Unit| {
-    Unit
-}
-))

compiler/testData/diagnostics/tests/callableReference/generic/nestedCallWithOverload.fir.kt

@@ -18,7 +18,7 @@ fun test() {
     id(id<(Int) -> Unit>(::foo))
     baz<(Int) -> Unit>(id(::foo), id(id(::foo)))
     baz(id(::foo), id(id<(Int) -> Unit>(::foo)))
-    baz(id(<!UNRESOLVED_REFERENCE!>::foo<!>), id<(Int) -> Unit>(id(::foo)))
+    baz(id(::foo), id<(Int) -> Unit>(id(::foo)))
 
     baz(id { it.inv() }, id<(Int) -> Unit> { })
 }