matrix-synapse: Fix YAML format issues.
/etc/matrix-synapse/homeserver.yaml file has several complex cases of inline comments which are introducing bugs when parsed with ruamel.yaml Eliminated the problem by discarding comments altogether since the YAML data is only read by Plinth and not by a human.
Closes #1214 (closed)
Signed-off-by: Joseph Nuthalapati njoseph@thoughtworks.com