qobject: Drop qobject_get_try_str()

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-13-armbru@redhat.com>

include/qapi/qmp/qstring.h

@@ -29,7 +29,6 @@ QString *qstring_from_gstring(GString *gstr);
 size_t qstring_get_length(const QString *qstring);
 const char *qstring_get_str(const QString *qstring);
 const char *qstring_get_try_str(const QString *qstring);
-const char *qobject_get_try_str(const QObject *qstring);
 void qstring_append_int(QString *qstring, int64_t value);
 void qstring_append(QString *qstring, const char *str);
 void qstring_append_chr(QString *qstring, int c);

qobject/qstring.c

@@ -149,17 +149,6 @@ const char *qstring_get_try_str(const QString *qstring)
     return qstring ? qstring_get_str(qstring) : NULL;
 }
 
-/**
- * qobject_get_try_str(): Return a pointer to the corresponding string
- *
- * NOTE: the string will only be returned if the object is valid, and
- * its type is QString, otherwise NULL is returned.
- */
-const char *qobject_get_try_str(const QObject *qstring)
-{
-    return qstring_get_try_str(qobject_to(QString, qstring));
-}
-
 /**
  * qstring_is_equal(): Test whether the two QStrings are equal
  */