Fix deprecated instruction on Alioth accounts - not necessary for running a local instance.

Signed-off-by: Mattia Rizzolo <mattia@debian.org>

README.md

@@ -78,9 +78,8 @@ eatmydata ./manage.py generate_test_data
 
 ### Run housekeeping
 
-Update the alioth and debian UIDs, and create Django user accounts accordingly:
+Create user accounts (from your datafile submission):
 
-    # ssh alioth.debian.org -L 3389:localhost:389
     eatmydata ./manage.py housekeeping
 
 ### Run the web server