[config] Update devenv.yml config for Nix-based development

Just removes the deprecated `id` variable as well as the (commented out)elasticsearch settings since those don't exist anymore

.config/devenv.yml

@@ -21,13 +21,6 @@ redis:
 #  collection: notes
 #  bucket: default
 
-#elasticsearch:
-#  host: localhost
-#  port: 9200
-#  ssl: false
-#  user:
-#  pass:
-
 reservedUsernames:
     - root
     - admin