fix lsb fact gathering

was erroring out when rc !=0 also fixed redundant paths
fixes #14965

lib/ansible/module_utils/facts.py

@@ -645,8 +645,6 @@ class Facts(object):
                         self.facts['lsb']['release'] = value
                     elif 'Codename:' in line:
                         self.facts['lsb']['codename'] = value
-            if 'lsb' in self.facts and 'release' in self.facts['lsb']:
-                self.facts['lsb']['major_release'] = self.facts['lsb']['release'].split('.')[0]
         elif lsb_path is None and os.path.exists('/etc/lsb-release'):
             self.facts['lsb'] = {}
             for line in get_file_lines('/etc/lsb-release'):
@@ -659,13 +657,10 @@ class Facts(object):
                     self.facts['lsb']['description'] = value
                 elif 'DISTRIB_CODENAME' in line:
                     self.facts['lsb']['codename'] = value
-        else:
-            return self.facts
 
         if 'lsb' in self.facts and 'release' in self.facts['lsb']:
             self.facts['lsb']['major_release'] = self.facts['lsb']['release'].split('.')[0]
 
-
     def get_selinux_facts(self):
         if not HAVE_SELINUX:
             self.facts['selinux'] = False