remove --expire-logs-days=2 mariadb flag

This better aligns with recommendations in the Nextcloud documentation.

Also: the flag isn't necessary. There are already set times for cleanup: The MySQL and MariaDB documentation both state that binary logs will be purged on startup and flush/rotation.

Signed-off-by: Adam Monsen <haircut@gmail.com>

.examples/docker-compose/insecure/mariadb/apache/docker-compose.yml

@@ -3,7 +3,7 @@ version: '3'
 services:
   db:
     image: mariadb:10.5
-    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --expire-logs-days=2 --binlog-format=ROW
+    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
     restart: always
     volumes:
       - db:/var/lib/mysql

.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml

@@ -3,7 +3,7 @@ version: '3'
 services:
   db:
     image: mariadb:10.5
-    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --expire-logs-days=2 --binlog-format=ROW
+    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
     restart: always
     volumes:
       - db:/var/lib/mysql

.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml

@@ -3,7 +3,7 @@ version: '3'
 services:
   db:
     image: mariadb:10.5
-    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --expire-logs-days=2 --binlog-format=ROW
+    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
     restart: always
     volumes:
       - db:/var/lib/mysql

.examples/docker-compose/with-nginx-proxy/mariadb/fpm/docker-compose.yml

@@ -3,7 +3,7 @@ version: '3'
 services:
   db:
     image: mariadb:10.5
-    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --expire-logs-days=2 --binlog-format=ROW
+    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
     restart: always
     volumes:
       - db:/var/lib/mysql

README.md

@@ -241,7 +241,7 @@ services:
   db:
     image: mariadb:10.5
     restart: always
-    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --expire-logs-days=2 --binlog-format=ROW
+    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
     volumes:
       - db:/var/lib/mysql
     environment:
@@ -287,7 +287,7 @@ services:
   db:
     image: mariadb:10.5
     restart: always
-    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --expire-logs-days=2 --binlog-format=ROW
+    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
     volumes:
       - db:/var/lib/mysql
     environment: