Remove 'Nodes' section from README.md

README.md

@@ -14,14 +14,6 @@ or alternatively:
 
 The server will save the map to a file named "map" in the directory it is run in. It will also load the map from there at startup, given that the file exists.
 
-## Nodes:
-- `unloaded`: used for nodes in unloaded mapblocks
-- `air`: default node in newly generated mapblocks
-- `dirt`
-- `grass`
-- `stone`
-- `invalid`: unknown nodes received from server
-
 Interrupt handlers for SIGINT und SIGTERM are implemented.
 
 ## Dependencies