Move MySQL 4 byte to DB section

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

admin_manual/configuration_database/index.rst

@@ -7,3 +7,4 @@ Database Configuration
 
     db_conversion.rst
     linux_database_configuration.rst
+    mysql_4byte_support

admin_manual/configuration_database/mysql_4byte_support.rst

@@ -2,8 +2,6 @@
 Enabling MySQL 4-byte support
 =============================
 
-.. note:: This feature is currently **experimental**.
-
 In order to use Emojis (textbased smilies) on your Nextcloud server with a MySQL database, the
 installation needs to be tweaked a bit.
 

admin_manual/installation/system_requirements.rst

@@ -60,4 +60,4 @@ Additionally the following InnoDB settings need to be set::
   innodb_file_format=barracuda
   innodb_file_per_table=true
 
-See :doc:`../maintenance/mysql_4byte_support` for more information.
+See :doc:`../configuration_database/mysql_4byte_support` for more information.

admin_manual/maintenance/index.rst

@@ -13,4 +13,3 @@ Maintenance
    manual_upgrade
    restore
    migrating
-   mysql_4byte_support

go.php

@@ -29,7 +29,7 @@ $mapping = array(
     'admin-monitoring'        => '/admin_manual/operations/considerations_on_monitoring.html',
     'admin-sso'               => '/admin_manual/configuration_server/sso_configuration.html',
     'admin-php-opcache'       => '/admin_manual/configuration_server/server_tuning.html#enable-php-opcache',
-    'admin-mysql-utf8mb4'     => '/admin_manual/maintenance/mysql_4byte_support.html',
+    'admin-mysql-utf8mb4'     => '/admin_manual/configuration_database/mysql_4byte_support.html',
     
     'developer-code-integrity'=> '/developer_manual/app/code_signing.html',
     'developer-theming'       => '/developer_manual/core/theming.html',