ipmi_fru: drop unused member functions

Drop unused member functions from fru_info class.

Change-Id: Iedf108979892cf12639652bd649efb5c2d7a74ef
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/fru-area.hpp b/fru-area.hpp
index 278b46f..038e237 100644
--- a/fru-area.hpp
+++ b/fru-area.hpp
@@ -137,15 +137,6 @@
         return iv_data;
     }
 
-    // Returns the bus type.
-    inline sd_bus* get_bus_type() const
-    {
-        return iv_bus_type;
-    }
-
-    // Sets up the sd_bus variables for the given AREA type
-    int setup_sd_bus_paths(void);
-
     // Accepts a pointer to data and sets it in the object.
     void set_data(const uint8_t*, const size_t);