actions/service: Drop unused list action

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

actions/service

@@ -5,9 +5,7 @@ Wrapper to list and handle system services
 """
 
 import argparse
-import json
 import os
-import subprocess
 from importlib import import_module
 
 from plinth import action_utils, cfg
@@ -39,8 +37,6 @@ def parse_arguments():
     add_service_action(subparsers, 'mask', 'unmask a service')
     add_service_action(subparsers, 'unmask', 'unmask a service')
 
-    subparsers.add_parser('list', help='List of running system services')
-
     subparsers.required = True
     return parser.parse_args()
 
@@ -89,36 +85,6 @@ def subcommand_is_running(arguments):
     print(action_utils.service_is_running(arguments.service))
 
 
-def subcommand_list(_):
-    """Get list of plinth-managed services with their status.
-
-    Status may be either running or not.
-
-    """
-    managed_services = _get_managed_services()
-    services = dict.fromkeys(managed_services, {'running': False})
-
-    output = subprocess.check_output(['systemctl', 'list-units'])
-    for line in output.decode().strip().split('\n'):
-        if line.startswith('UNIT'):
-            continue
-        # Stop parsing on empty line after the service list
-        if not len(line):
-            break
-
-        try:
-            unit, load, active, sub = line.split()[:4]
-        except ValueError:
-            continue
-        suffix = '.service'
-        if unit.endswith(suffix):
-            name = unit[:-len(suffix)]
-            if name in services:
-                services[name] = {'running': (sub == 'running')}
-
-    print(json.dumps(services))
-
-
 def _get_managed_services_of_module(modulepath):
     """Import a module and return content of its 'managed_services' variable"""
     try: