chore: remove the unused get_owner from specs.default (#3429)

Signed-off-by: Xiangce Liu <[email protected]>

insights/specs/default.py

@@ -12,10 +12,6 @@
 import os
 import signal
 
-from grp import getgrgid
-from os import stat
-from pwd import getpwuid
-
 from insights.components.virtualization import IsBareMetal
 from insights.core.context import HostContext
 from insights.core.dr import SkipComponent
@@ -42,14 +38,6 @@
 logger = logging.getLogger(__name__)
 
 
-def get_owner(filename):
-    """ tuple: Return tuple containing uid and gid of file filename """
-    st = stat(filename)
-    name = getpwuid(st.st_uid).pw_name
-    group = getgrgid(st.st_gid).gr_name
-    return (name, group)
-
-
 def _make_rpm_formatter(fmt=None):
     """ function: Returns function that will format output of rpm query command """
     if fmt is None: