Remove commented-out optimizer flags which do not apply to MySQL (#1324)

compose/compose.yaml

@@ -53,8 +53,6 @@ services:
   #  image: mysql:8.4
   #  command:
   #    --max_allowed_packet=64M
-  #    --optimizer_use_condition_selectivity=1
-  #    --optimizer_switch="rowid_filter=off"
   #  ports:
   #    - "3306:3306"
   #  env_file: env/db.env