VoIPLink: simplify, remove unused method

sflphone-common/src/voiplink.cpp

@@ -102,8 +102,5 @@ bool VoIPLink::clearCallMap()
 
 Account* VoIPLink::getAccountPtr (void)
 {
-    std::string id;
-
-    id = getAccountID();
-    return Manager::instance().getAccount (id);
+    return Manager::instance().getAccount (_accountID);
 }

sflphone-common/src/voiplink.h

@@ -231,13 +231,6 @@ class VoIPLink
 
         Account* getAccountPtr (void);
 
-        /**
-         * @param accountID The account identifier
-         */
-        void setAccountID (const std::string& accountID) {
-            _accountID = accountID;
-        }
-
         /**
          * Get the call pointer from the call map (protected by mutex)
          * @param id A Call ID