IPMIFruArea: drop unused member methods

Drop unused member methods.

Change-Id: I1bf78f8a896173deacc0f55e3e3b8f1f0c64302a
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/fru_area.hpp b/fru_area.hpp
index b725ddf..30401bf 100644
--- a/fru_area.hpp
+++ b/fru_area.hpp
@@ -58,30 +58,12 @@
     // Destructor
     virtual ~IPMIFruArea();
 
-    // If a particular area has been marked valid / invalid
-    inline bool is_valid() const
-    {
-        return iv_valid;
-    }
-
     // Sets the present bit
     inline void set_present(const bool present)
     {
         iv_present = present;
     }
 
-    // Sets the valid bit for a corresponding area.
-    inline void set_valid(const bool valid)
-    {
-        iv_valid = valid;
-    }
-
-    // If a particular area accessible only by BMC
-    inline bool is_bmc_fru() const
-    {
-        return iv_bmc_fru;
-    }
-
     // returns fru id;
     uint8_t get_fruid() const
     {