Clean up

roles/custom/matrix-media-repo/defaults/main.yml

@@ -891,12 +891,10 @@ matrix_media_repo_plugins:
 matrix_media_repo_redis_enabled: false
 
 # The database number to use. Leave at zero if using a dedicated Redis instance.
-# Use next redis index since Synapse is on 0. You can chose between index 0 and 15.
 matrix_media_repo_redis_database_number: 0
 
 # The Redis shards that should be used by the media repo in the ring. The names of the
 # shards are for your reference and have no bearing on the connection, but must be unique.
-# As default it uses the valkey instance provided by this project
 matrix_media_repo_redis_shards: []
 
 # Optional sentry (https://sentry.io/) configuration for the media repo