Remove settings not used any longer

minetest.conf.example

@@ -341,11 +341,6 @@
 #dedicated_server_step = 0.1
 # Can be set to true to disable shutting down on invalid world data
 #ignore_world_load_errors = false
-# Congestion control parameters
-# time in seconds, rate in ~500B packets
-#congestion_control_aim_rtt = 0.2
-#congestion_control_max_rate = 400
-#congestion_control_min_rate = 10
 # Specifies URL from which client fetches media instead of using UDP
 # $filename should be accessible from $remote_media$filename via cURL
 # (obviously, remote_media should end with a slash)

src/defaultsettings.cpp

@@ -228,9 +228,6 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("full_block_send_enable_min_time_from_building", "2.0");
 	settings->setDefault("dedicated_server_step", "0.1");
 	settings->setDefault("ignore_world_load_errors", "false");
-	settings->setDefault("congestion_control_aim_rtt", "0.2");
-	settings->setDefault("congestion_control_max_rate", "400");
-	settings->setDefault("congestion_control_min_rate", "10");
 	settings->setDefault("remote_media", "");
 	settings->setDefault("debug_log_level", "2");
 	settings->setDefault("emergequeue_limit_total", "256");