Revert "add dr auto sync" (#6294)

pingcap · Aug 26, 2021 · 6d3cb5c · 6d3cb5c
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diff --git a/TOC.md b/TOC.md
@@ -140,7 +140,6 @@
 + Tutorials
   + [Multiple Data Centers in One City Deployment](/multi-data-centers-in-one-city-deployment.md)
   + [Three Data Centers in Two Cities Deployment](/three-data-centers-in-two-cities-deployment.md)
-  + [Two Data Centers in One City Deployment](/two-data-centers-in-one-city-deployment.md)
   + Read Historical Data
     + Use Stale Read (Recommended)
       + [Usage Scenarios of Stale Read](/stale-read.md)

diff --git a/media/two-dc-replication-1.png b/media/two-dc-replication-1.png
diff --git a/pd-configuration-file.md b/pd-configuration-file.md
@@ -356,7 +356,3 @@ Configuration items related to the [TiDB Dashboard](/dashboard/dashboard-intro.m
 + Determines whether to enable the telemetry collection feature in TiDB Dashboard.
 + Default value: `true`
 + See [Telemetry](/telemetry.md) for details.
-
-## `replication-mode`
-
-Configuration items related to the replication mode of all Regions. See [Enable the DR Auto-Sync mode](/two-data-centers-in-one-city-deployment.md#enable-the-dr-auto-sync-mode) for details.
diff --git a/pd-control.md b/pd-control.md
@@ -308,8 +308,6 @@ Usage:
     config set cluster-version 1.0.8              // Set the version of the cluster to 1.0.8
     ```
 
-- `replication-mode` controls the replication mode of Regions in the dual data center scenario. See [Enable the DR Auto-Sync mode](/two-data-centers-in-one-city-deployment.md#enable-the-dr-auto-sync-mode) for details.
-
 - `leader-schedule-policy` is used to select the scheduling strategy for the leader. You can schedule the leader according to `size` or `count`.
 
 - `scheduler-max-waiting-operator` is used to control the number of waiting operators in each scheduler.

diff --git a/two-data-centers-in-one-city-deployment.md b/two-data-centers-in-one-city-deployment.md