common/config: remove useless code.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>

diff --git a/src/common/config.cc b/src/common/config.cc
index 0d6d089cba4a1510391c93ffb57a1b4f5107fb4d..5b014c477ce47ecc2515f96da6000a0332541732 100644 (file)
--- a/src/common/config.cc
+++ b/src/common/config.cc
@@ -1275,8 +1275,6 @@ int md_config_t::_get_val_cstr(
     return (l > len) ? -ENAMETOOLONG : 0;
   }
 
-  string k(ConfFile::normalize_key_name(key));
-
   // couldn't find a configuration option with key 'k'
   return -ENOENT;
 }