C++: Refine comment removing outdate workaround reference

Author: IdrissRio

cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedElement.qll

@@ -752,8 +752,7 @@ newtype TTranslatedElement =
   } or
   // The initialization of a base class from within a constructor.
   TTranslatedConstructorBaseInit(ConstructorBaseInit init) { not ignoreExpr(init) } or
-  // Workaround for a case where no base constructor is generated but a targetless base
-  // constructor call is present.
+  // Case where no base constructor is generated but a targetless base constructor call is present.
   TTranslatedConstructorBareInit(ConstructorInit init) {
     not ignoreExpr(init) and
     not init instanceof ConstructorBaseInit and

cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedInitialization.qll

@@ -1036,8 +1036,6 @@ class TranslatedDestructorBaseDestruction extends TranslatedBaseStructorCall,
 
 /**
  * A constructor base init call where no base constructor has been generated.
- *
- * Workaround for an extractor issue.
  */
 class TranslatedConstructorBareInit extends TranslatedElement, TTranslatedConstructorBareInit {
   ConstructorInit init;