daemon: Cleanup some functions.

Some functions are unused and some functions can be
declared as static.

Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

python/ovs/daemon.py

@@ -78,23 +78,12 @@ def set_pidfile(name):
     _pidfile = make_pidfile_name(name)
 
 
-def get_pidfile():
-    """Returns an absolute path to the configured pidfile, or None if no
-    pidfile is configured."""
-    return _pidfile
-
-
 def set_no_chdir():
     """Sets that we do not chdir to "/"."""
     global _chdir
     _chdir = False
 
 
-def is_chdir_enabled():
-    """Will we chdir to "/" as part of daemonizing?"""
-    return _chdir
-
-
 def ignore_existing_pidfile():
     """Normally, daemonize() or daemonize_start() will terminate the program
     with a message if a locked pidfile already exists.  If this function is