add default node map configuration, to avoid the need to set this up every time

daemon/examples/netns/howmanynodes.py

@@ -20,7 +20,7 @@ import sys
 import time
 
 from core import constants
-from core.misc import ipaddress, nodeutils, nodemaps
+from core.misc import ipaddress
 from core.netns import nodes
 from core.session import Session
 
@@ -206,8 +206,4 @@ def main():
 
 
 if __name__ == "__main__":
-    # configure nodes to use
-    node_map = nodemaps.NODES
-    nodeutils.set_node_map(node_map)
-
     main()