remove unused variable

lib/src/upper/pdcp_entity.cc

@@ -237,8 +237,6 @@ void pdcp_entity::integrity_generate( uint8_t  *msg,
                                       uint32_t  msg_len,
                                       uint8_t  *mac)
 {
-  uint8_t bearer;
-
   switch(integ_algo)
   {
   case INTEGRITY_ALGORITHM_ID_EIA0:
@@ -316,8 +314,7 @@ bool pdcp_entity::integrity_verify(uint8_t  *msg,
       }
     }
     if (isValid){
-      log->info_hex(mac_exp, 4, "MAC match (expected)");
+      log->info_hex(mac_exp, 4, "MAC match");
-      log->info_hex(mac,     4, "MAC match (found)");
     }
     break;
   default: