Cleaned up connection variables

.gitignore

@@ -14,3 +14,4 @@ env
 venv
 
 .idea
+.config

rcom/rcom.py

@@ -20,7 +20,6 @@ import argparse
 import sys
 import asyncio
 import logging
-import os
 
 from rabotnik import MessageBus
 
@@ -99,17 +98,6 @@ def main(args: list = None, message_bus: MessageBus = None):
 
     group = parser.add_argument_group("message bus")
 
-    group.add_argument("--hostname", type=str, help="Set message bus hostname.")
-    group.add_argument(
-        "--username",
-        type=str,
-        help="Set message bus username.",
-    )
-    group.add_argument(
-        "--password",
-        type=str,
-        help="Set message bus password.",
-    )
     group.add_argument(
         "--timeout",
         type=int,
@@ -132,10 +120,6 @@ def main(args: list = None, message_bus: MessageBus = None):
         logging.getLogger("rabotnik").setLevel(logging.DEBUG)
         logger.setLevel(logging.DEBUG)
 
-    os.environ.setdefault("RABOTNIK_MESSAGE_BUS_HOST", args.hostname)
-    os.environ.setdefault("RABOTNIK_MESSAGE_BUS_USER", args.username)
-    os.environ.setdefault("RABOTNIK_MESSAGE_BUS_PASSWORD", args.password)
-
     if message_bus is None:
         message_bus = MessageBus()
         loop.create_task(