Update docs/configuring-playbook-bot-draupnir.md: remove the "ensure-matrix-users-created" tag from the final command for installing

The bot user has been created already and it was confirmed, so the tag does not add the value at all.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook-bot-draupnir.md

@@ -178,7 +178,7 @@ After configuring the playbook, run it with [playbook tags](playbook-tags.md) as
 
 <!-- NOTE: let this conservative command run (instead of install-all) to make it clear that failure of the command means something is clearly broken. -->
 ```sh
-ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,ensure-matrix-users-created,start
+ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start
 ```
 
 The shortcut commands with the [`just` program](just.md) are also available: `just install-all` or `just setup-all`