Remove some obsolete comments.

class_table.c

@@ -266,21 +266,6 @@ void __objc_resolve_class_links(void)
 	objc_resolve_class_links();
 }
 
-/*
-// FIXME: Remove this once all uses of it in the runtime have been removed
-void __objc_add_class_to_hash(Class class)
-{
-	Class old_class = class_table_get_safe(class->name);
-	// If this class is already in the class table, we don't need to do anything.
-	if (Nil != old_class) { return; }
-
-	LOCK_UNTIL_RETURN(__objc_runtime_mutex);
-	// Note: The old runtime set the class number here.  Nothing ever used the
-	// class number though, so we don't bother.
-	class_table_insert (class);
-}
-*/
-
 /**
  * Loads a class.  This function assumes that the runtime mutex is locked.
  */

encoding2.c

@@ -188,7 +188,6 @@ static const char *sizeof_type(const char *type, size_t *size)
 			*size += union_size;
 			return t;
 		}
-		//FIXME: union
 		case 'b':
 		{
 			// Consume the b
@@ -272,7 +271,6 @@ static const char *alignof_type(const char *type, size_t *align)
 			parse_array(&t, (type_parser)alignof_type, &align);
 			return t;
 		}
-		//FIXME: union
 		case 'b':
 		{
 			// Consume the b