PhoneDirectoryModel: missing part of a previous commit 5a4d864e

Missing a slot definition in commit
[5a4d864e: PhoneDirectoryModel: remove incomingMessage slot]

Change-Id: Ic03a5af3f4f289b69c8bbe0d7d25a1cded940f9c
Reviewed-by: Olivier Soldano <olivier.soldano@savoirfairelinux.com>

src/private/phonedirectorymodel_p.h

@@ -103,7 +103,6 @@ private Q_SLOTS:
    void slotChanged();
    void slotLastUsedChanged(time_t t);
    void slotContactChanged(Person* newContact, Person* oldContact);
-   void slotIncomingAccountMessage(const QString& account, const QString& from, const MapStringString& payloads);
    void slotRegisteredNameFound(const Account* account, NameDirectory::LookupStatus status, const QString& address, const QString& name);
    void slotContactMethodMerged(ContactMethod* other);