Document Praefect's manual reconciler as removed

Praefect's manual reconciler has been non-functional since GitLab 14.0
and has been removed completely in GitLab 14.1. This commit documents
the manual reconciler as removed.

doc/administration/gitaly/praefect.md

@@ -1555,10 +1555,7 @@ praefect['reconciliation_scheduling_interval'] = '0' # disable the feature
 ### Manual reconciliation
 
 WARNING:
-The `reconcile` sub-command is deprecated and scheduled for removal in GitLab 14.0. Use
-[automatic reconciliation](#automatic-reconciliation) instead. Manual reconciliation may
-produce excess replication jobs and is limited in functionality. Manual reconciliation does
-not work when [repository-specific primary nodes](#repository-specific-primary-nodes) are
+The `reconcile` sub-command was removed in GitLab 14.1. Use [automatic reconciliation](#automatic-reconciliation) instead. Manual reconciliation may produce excess replication jobs and is limited in functionality. Manual reconciliation does not work when [repository-specific primary nodes](#repository-specific-primary-nodes) are
 enabled.
 
 The Praefect `reconcile` sub-command allows for the manual reconciliation between two Gitaly nodes. The