feat(query-engine-wasm): slimmer constructor and logger (#4621)
* feat(query-engine-wasm): remove redundant validations
* feat(query-engine-wasm): remove useless tracing
* feat(query-engine-wasm): remove useless variables and mutables
* feat(query-engine-wasm): fix engine protocol JSON
* feat(query-engine-wasm): remove .unwrap() in favor of default log level
* feat(query-engine-wasm): remove telemetry stuff in logger
* feat(query-engine-wasm): remove useless Arc::clone