fix(logs): remove config string from deserialization error log

[shamardy]

fixes https://github.com/KomodoPlatform/adex_bugtracking/issues/50

[smk762]

lgtm, thanks!

[onur-ozkan]

What does error message from serde print? Does it print the invalid line or the whole configuration?

[onur-ozkan]

11 13:22:21, mm2:281] mm2:307] Couldn't parse.({
  "gui":"CLI",
  "netid":7777,
  "rpc_password":"lets-just-pretend-this-is-my-rpcpass",
  "passphrase":"not really my seed but something was here in clear text",
}
).trailing comma at line 6 column 1

as far as I see it's the trailing comma at line 6 column 1 part and I think it would be useful to have in the error message

[shamardy]

as far as I see it's the trailing comma at line 6 column 1 part and I think it would be useful to have in the error message

I agree that this is useful but future changes in the upstream could lead to showing the passed config string. For instance, if they decide to provide more verbose errors that include more information about the passed string, we might inadvertently expose this data again. I don't want to leave it to that chance since we will probably forget to check this with every update to the upstream dependency.