[FIR] Remove the applicability filtering when reporting diagnostics

In case we don't want to introduce any new
abstractions like "user relevance for
applicability", we can just remove the
filtering.

^KT-62541 Fixed

compiler/testData/diagnostics/tests/generics/nullability/expressionsBoundsViolation.fir.kt

@@ -13,6 +13,6 @@ fun <F : String?> bar(x: F) {
     foo1<<!UPPER_BOUND_VIOLATED!>F<!>>(<!ARGUMENT_TYPE_MISMATCH!>x<!>)
 
     x<!UNSAFE_CALL!>.<!>foo2()
-    x.foo2<<!UPPER_BOUND_VIOLATED!>F<!>>()
+    x.<!INAPPLICABLE_CANDIDATE!>foo2<!><<!UPPER_BOUND_VIOLATED!>F<!>>()
 }