remove bunyan-formatter and just use json formatting from subscriber

[nhudson]

This is to help reduce the amount of logs exported from application using this crate when distributed tracing is enabled.

before: This exposes all spans in log format

{"v":0,"name":"cp-webserver","msg":"[HTTP REQUEST - START]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.616792622Z","target":"tembo_telemetry","line":187,"file":"/home/nhudson/code/tembo/tembo-telemetry/src/lib.rs"}
{"v":0,"name":"cp-webserver","msg":"[GET_ALL - START]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.707171562Z","target":"cp_webserver::routes::instance","line":46,"file":"cp-webserver/src/routes/instance.rs"}
{"v":0,"name":"cp-webserver","msg":"[AUTH_REQUEST - START]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.707219141Z","target":"cp_webserver::auth","line":69,"file":"cp-webserver/src/auth.rs"}
{"v":0,"name":"cp-webserver","msg":"[AUTH_REQUEST - END]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.707337635Z","target":"cp_webserver::auth","line":69,"file":"cp-webserver/src/auth.rs"}
{"v":0,"name":"cp-webserver","msg":"[CHECK_INPUT - START]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.707374319Z","target":"cp_webserver::db","line":31,"file":"cp-webserver/src/db.rs"}
{"v":0,"name":"cp-webserver","msg":"[CHECK_INPUT - END]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.707391411Z","target":"cp_webserver::db","line":31,"file":"cp-webserver/src/db.rs"}
{"v":0,"name":"cp-webserver","msg":"[GET_ALL - END]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.710214753Z","target":"cp_webserver::routes::instance","line":46,"file":"cp-webserver/src/routes/instance.rs"}
{"v":0,"name":"cp-webserver","msg":"127.0.0.1 \"GET /api/v1/orgs/org_2WjOcQXiQohBqOfwY9AL76SvYoV/instances HTTP/1.1\" 200 2 \"-\" \"curl/8.5.0\" 0.093368","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.71041165Z","target":"log","line":null,"file":null,"log.file":"/home/nhudson/.cargo/registry/src/index.crates.io-6f17d22bba15001f/actix-web-4.4.0/src/middleware/logger.rs","log.line":420,"log.target":"actix_web::middleware::logger","log.module_path":"actix_web::middleware::logger"}
{"v":0,"name":"cp-webserver","msg":"[HTTP REQUEST - END]","level":30,"hostname":"bluebeetle","pid":638924,"time":"2024-01-05T22:21:36.710443718Z","target":"tembo_telemetry","line":187,"file":"/home/nhudson/code/tembo/tembo-telemetry/src/lib.rs"}

after:

{"timestamp":"2024-01-05T23:04:03.430461Z","level":"INFO","fields":{"message":"127.0.0.1 \"GET /api/v1/orgs/org_2WjOcQXiQohBqOfwY9AL76SvYoV/instances HTTP/1.1\" 200 2 \"-\" \"curl/8.5.0\" 0.104515","log.target":"actix_web::middleware::logger","log.module_path":"actix_web::middleware::logger","log.file":"/home/nhudson/.cargo/registry/src/index.crates.io-6f17d22bba15001f/actix-web-4.4.0/src/middleware/logger.rs","log.line":420},"target":"actix_web::middleware::logger"}

[sjmiller609]

❤️