Consolidate config.json.sim into config.json.templ

config.json.templ's component names already default to "sim" for every
backend (sensor/heater/stirrer/plant), making the separate .sim template
mostly redundant - it only differed in dt/sim_warp_factor/PID gain tuning,
which .templ now adopts directly. Removes config.json.sim, updates
brewpi.py's CLI args (-m/--logdir replaces the unused -d/--model/--sim
flags), and refreshes the README/TODO references that pointed at the now-
removed file.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DkkuG48uHFCGKe6dPSERFk

server/brewpi.py

@@ -37,20 +37,19 @@ class Tee:
 
 
 if __name__ == '__main__':
-	os.makedirs("logs", exist_ok=True)
-	log_path = "logs/brewpi.{}.log".format(time.strftime("%Y%m%d%H%M%S", time.localtime()))
+	parser = ap.ArgumentParser()
+	parser.add_argument("-c", "--config", default="config.json")
+	parser.add_argument("-m", "--logdir", default="logs")
+
+	args = parser.parse_args()
+
+	os.makedirs(args.logdir, exist_ok=True)
+	log_path = f"{args.logdir}/brewpi.{time.strftime("%Y%m%d%H%M%S", time.localtime())}.log"
 	log_file = open(log_path, "a", buffering=1)
 	sys.stdout = Tee(sys.stdout, log_file)
 	sys.stderr = Tee(sys.stderr, log_file)
 	print("Logging to {}".format(log_path))
 
-	parser = ap.ArgumentParser()
-	parser.add_argument("-d", "--debug", action="store_true")
-	parser.add_argument("-c", "--config", default="config.json")
-	parser.add_argument("-m", "--model", default="model.json")
-	parser.add_argument("-s", "--sim", action="store_true")
-
-	args = parser.parse_args()
 	config = json.load(open(args.config))
 	dispatcher = MessageDispatcher()
 	server = WsServerMultiUser(listener=dispatcher)