move persistence setting docs

docs/en/engines/table-engines/special/join.md

@@ -86,7 +86,18 @@ When creating a table, the following settings are applied:
 [join_any_take_last_row](/docs/en/operations/settings/settings.md/#settings-join_any_take_last_row)
 #### join_use_nulls
 
-[persistent](/docs/en/operations/settings/settings.md/#persistent)
+#### persistent
+
+Disables persistency for the Join and [Set](/docs/en/engines/table-engines/special/set.md) table engines.
+
+Reduces the I/O overhead. Suitable for scenarios that pursue performance and do not require persistence.
+
+Possible values:
+
+- 1 — Enabled.
+- 0 — Disabled.
+
+Default value: `1`.
 
 The `Join`-engine tables can’t be used in `GLOBAL JOIN` operations.
 

docs/en/engines/table-engines/special/set.md

@@ -19,5 +19,16 @@ For a rough server restart, the block of data on the disk might be lost or damag
 
 When creating a table, the following settings are applied:
 
--   [persistent](../../../operations/settings/settings.md#persistent)
+#### persistent
+
+Disables persistency for the Set and [Join](/docs/en/engines/table-engines/special/join.md/#join) table engines.
+
+Reduces the I/O overhead. Suitable for scenarios that pursue performance and do not require persistence.
+
+Possible values:
+
+- 1 — Enabled.
+- 0 — Disabled.
+
+Default value: `1`.
 

docs/en/operations/settings/settings.md

@@ -2441,19 +2441,6 @@ Result
 └──────────────────────────┴───────┴───────────────────────────────────────────────────────┘
 ```
 
-## persistent {#persistent}
-
-Disables persistency for the [Set](../../engines/table-engines/special/set.md/#set) and [Join](../../engines/table-engines/special/join.md/#join) table engines.
-
-Reduces the I/O overhead. Suitable for scenarios that pursue performance and do not require persistence.
-
-Possible values:
-
-- 1 — Enabled.
-- 0 — Disabled.
-
-Default value: `1`.
-
 ## allow_nullable_key {#allow-nullable-key}
 
 Allows using of the [Nullable](../../sql-reference/data-types/nullable.md/#data_type-nullable)-typed values in a sorting and a primary key for [MergeTree](../../engines/table-engines/mergetree-family/mergetree.md/#table_engines-mergetree) tables.