[ekiga] Remove now useless get_bool_property and the like

[Eugen Dedu <ededu src gnome org>]

commit 6a3b07c225758405221a318f0b9078a0bda81ad2
Author: Eugen Dedu <eugen dedu univ-fcomte fr>
Date:   Thu Nov 19 10:25:20 2015 +0100

    Remove now useless get_bool_property and the like
    
    The now removed libnotify plugin needed them.

 lib/engine/framework/services.cpp |   24 ------------------------
 lib/engine/framework/services.h   |   16 ----------------
 2 files changed, 0 insertions(+), 40 deletions(-)
---
diff --git a/lib/engine/framework/services.cpp b/lib/engine/framework/services.cpp
index 28a3117..2d19b5c 100644
--- a/lib/engine/framework/services.cpp
+++ b/lib/engine/framework/services.cpp
@@ -44,30 +44,6 @@
 
 #include "services.h"
 
-boost::optional<bool>
-Ekiga::Service::get_bool_property (const std::string /*name*/) const
-{
-  boost::optional<bool> result;
-
-  return result;
-}
-
-boost::optional<int>
-Ekiga::Service::get_int_property (const std::string /*name*/) const
-{
-  boost::optional<int> result;
-
-  return result;
-}
-
-boost::optional<std::string>
-Ekiga::Service::get_string_property (const std::string /*name*/) const
-{
-  boost::optional<std::string> result;
-
-  return result;
-}
-
 Ekiga::ServiceCore::ServiceCore (): closed(false)
 {
 }
diff --git a/lib/engine/framework/services.h b/lib/engine/framework/services.h
index 531f1b7..7c08d4e 100644
--- a/lib/engine/framework/services.h
+++ b/lib/engine/framework/services.h
@@ -64,22 +64,6 @@ namespace Ekiga
     virtual const std::string get_name () const = 0;
 
     virtual const std::string get_description () const = 0;
-
-    /* beware that if you check the result directly (in an if, or passing it
-     * through a function, the obtained value will be wether or not the value
-     * is available, and not the value itself!
-     *
-     * To be more specific, you're supposed to:
-     * val = foo.get_bool_property ("bar");
-     * if (val) {
-     *   <do something with *val> (notice *val not val!)
-     * }
-     */
-    virtual boost::optional<bool> get_bool_property (const std::string) const;
-
-    virtual boost::optional<int> get_int_property (const std::string) const;
-
-    virtual boost::optional<std::string> get_string_property (const std::string) const;
   };
   typedef boost::shared_ptr<Service> ServicePtr;