Post-process docs (variables replaced, copyable removed)

Author: Docsite Preview Bot

markdown-pages/en/tidb/master/information-schema/information-schema-slow-query.md

@@ -19,7 +19,7 @@ The `SLOW_QUERY` table provides the slow query information of the current node,
 
 > **Note:**
 >
-> This table is not available on [{{{ .starter }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter) and [{{{ .essential }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential) clusters.
+> This table is not available on [TiDB Cloud Starter](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter) and [TiDB Cloud Essential](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential) clusters.
 
 <CustomContent platform="tidb">
 
@@ -142,7 +142,7 @@ The `CLUSTER_SLOW_QUERY` table provides the slow query information of all nodes
 
 > **Note:**
 >
-> This table is not available on [{{{ .starter }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter) and [{{{ .essential }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential) clusters.
+> This table is not available on [TiDB Cloud Starter](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter) and [TiDB Cloud Essential](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential) clusters.
 
 <CustomContent platform="tidb">
 

markdown-pages/en/tidb/master/performance-schema/performance-schema-session-connect-attrs.md

@@ -24,8 +24,6 @@ Common attributes:
 
 You can view the columns of the `SESSION_CONNECT_ATTRS` table as follows:
 
-{{< copyable "sql" >}}
-
 ```sql
 USE performance_schema;
 DESCRIBE session_connect_attrs;
@@ -44,8 +42,6 @@ DESCRIBE session_connect_attrs;
 
 You can view the information on session attributes stored in the `SESSION_CONNECT_ATTRS` table as follows:
 
-{{< copyable "sql" >}}
-
 ```sql
 USE performance_schema;
 TABLE SESSION_CONNECT_ATTRS;