Remove command validation for VS command for FTDX-3000

https://github.com/Hamlib/Hamlib/issues/903

rigs/yaesu/newcat.c

@@ -10150,6 +10150,10 @@ int newcat_set_cmd_validate(RIG *rig)
     else if ((strncmp(priv->cmd_str, "VS", 2) == 0) && (strlen(priv->cmd_str) > 3))
     {
         strcpy(valcmd, "VS;");
+        if (priv->rig_id == NC_RIGID_FTDX3000)
+        {
+            strcpy(valcmd, ""); 
+        }
     }
     else if (strncmp(priv->cmd_str, "SV", 2) == 0)
     {