Remove 10 year archival of messages

I misunderstood how MAM works, and thought that storing messages long-term
would allow new clients to retrieve long-term history. This commit moves the
server's configuration back to the default of one week.

1 files changed, 0 insertions, 2 deletions

diff --git a/files/prosody.cfg.lua.j2 b/files/prosody.cfg.lua.j2
index 0298ba0..b6d9fc1 100644
--- a/files/prosody.cfg.lua.j2
+++ b/files/prosody.cfg.lua.j2
@@ -82,8 +82,6 @@ limits = {
     };
 }
 
-archive_expires_after = "10y"
-
 storage = "sql"
 sql = {
     driver = "PostgreSQL";