[FIR] Validate K2 diagnostic messages as a unit-test

compiler/fir/checkers/checkers.native/src/org/jetbrains/kotlin/fir/analysis/diagnostics/native/FirNativeErrorsDefaultMessages.kt

@@ -73,7 +73,5 @@ object FirNativeErrorsDefaultMessages : BaseDiagnosticRendererFactory() {
         map.put(INAPPLICABLE_EXACT_OBJC_NAME, "Exact @ObjCName is only applicable to classes, objects and interfaces")
         map.put(MISSING_EXACT_OBJC_NAME, "Exact @ObjCName is required to have an ObjC name")
         map.put(NON_LITERAL_OBJC_NAME_ARG, "@ObjCName accepts only literal string and boolean values")
-
-        map.checkMissingMessages(FirNativeErrors)
     }
 }