Removed uneeded extra assignment of command line complete flags.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

src/command.c

@@ -311,7 +311,6 @@ command_new (int y, int x, int cols)
 
     /* Add our hooks */
     cmd->widget.callback = command_callback;
-    cmd->completion_flags |= INPUT_COMPLETE_COMMANDS;
 
     return cmd;
 }