Disable Jitsi recording/transcriptions by default

It's not like it worked anyway, because we don't have the necessary
services installed for transcription (Jigasi), nor recording (Jibri).

Disabling these, should hopefully disable their related elements
in the Jitsi Web UI.

Fixes #726

roles/matrix-jitsi/defaults/main.yml

@@ -4,8 +4,8 @@ matrix_jitsi_base_path: "{{ matrix_base_data_path }}/jitsi"
 
 matrix_jitsi_enable_auth: false
 matrix_jitsi_enable_guests: false
-matrix_jitsi_enable_recording: true
-matrix_jitsi_enable_transcriptions: true
+matrix_jitsi_enable_recording: false
+matrix_jitsi_enable_transcriptions: false
 matrix_jitsi_enable_p2p: true
 
 # Authentication type, must be one of internal, jwt or ldap. Currently only