app/matrix: disable password login in synapse

This should, according to a GH issue thread [1] fix some flows (like
session delete) with our CAS configuration.

Not deployed, untested.

[1] - https://github.com/matrix-org/synapse/issues/5667#issuecomment-632040218

Change-Id: Iaf041f07e26d1abfb92caba451ebfbbf899e9964
diff --git a/app/matrix/homeserver.yaml b/app/matrix/homeserver.yaml
index 00ff7d4..1553053 100644
--- a/app/matrix/homeserver.yaml
+++ b/app/matrix/homeserver.yaml
@@ -139,7 +139,7 @@
           key: "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw"

 

 password_config:

-   enabled: true

+   enabled: false

 

 cas_config:

   enabled: true