Remove obsolete store_clean_interval from documentation.

ChangeLog.txt

@@ -29,6 +29,7 @@ Broker:
  from all matching subscriptions rather than the first one encountered, which
  ensures the maximum QoS requirement is met.
 - Fix incoming/outgoing quota problems for QoS>0.
+- Remove obsolete `store_clean_interval` from documentation.
 
 Client library:
 - Fix typo causing build error on Windows when building without TLS support.

man/mosquitto.conf.5.xml

@@ -813,19 +813,6 @@ log_timestamp_format %Y-%m-%dT%H:%M:%S
  <para>Reloaded on reload signal.</para>
  </listitem>
  </varlistentry>
- <varlistentry>
- <term><option>store_clean_interval</option> <replaceable>seconds</replaceable></term>
- <listitem>
- <para>The integer number of seconds between the internal
- message store being cleaned of messages that are no
- longer referenced. Lower values will result in lower
- memory usage but more processor time, higher values
- will have the opposite effect. Setting a value of 0
- means the unreferenced messages will be disposed of as
- quickly as possible. Defaults to 10 seconds.</para>
- <para>Reloaded on reload signal.</para>
- </listitem>
- </varlistentry>
  <varlistentry>
  <term><option>sys_interval</option> <replaceable>seconds</replaceable></term>
  <listitem>

mosquitto.conf

@@ -178,14 +178,6 @@
 # of packets being sent.
 #set_tcp_nodelay false
 
-# Time in seconds between cleaning the internal message store of
-# unreferenced messages. Lower values will result in lower memory
-# usage but more processor time, higher values will have the
-# opposite effect.
-# Setting a value of 0 means the unreferenced messages will be
-# disposed of as quickly as possible.
-#store_clean_interval 10
-
 # Time in seconds between updates of the $SYS tree.
 # Set to 0 to disable the publishing of the $SYS tree.
 #sys_interval 10