Minor cleanup in Stdout exporter (#2481)

Author: cijothomas

Cargo.toml

@@ -29,7 +29,6 @@ hyper = { version = "1.3", default-features = false }
 hyper-util = "0.1"
 log = "0.4.21"
 once_cell = "1.13"
-ordered-float = "4.0"
 pin-project-lite = "0.2"
 prost = "0.13"
 prost-build = "0.13"

opentelemetry-stdout/CHANGELOG.md

@@ -4,6 +4,9 @@
 
 - Bump msrv to 1.75.0.
 - *Breaking* time fields, `StartTime` and `EndTime` is printed on aggregation (Sum, Gauge, Histogram, ExpoHistogram) with 2 tabs, previously it was on aggregation data point, with 3 tabs, see [#2377](https://github.com/open-telemetry/opentelemetry-rust/pull/2377) and [#2411](https://github.com/open-telemetry/opentelemetry-rust/pull/2411).
+- Removed unused dependency on `ordered-float`.
+- Feature flag "populate-logs-event-name" is removed as no longer relevant.
+  LogRecord's `event_name()` is now automatically displayed.
 
 ## 0.27.0
 

opentelemetry-stdout/Cargo.toml

@@ -24,7 +24,6 @@ default = ["trace", "metrics", "logs"]
 trace = ["opentelemetry/trace", "opentelemetry_sdk/trace", "futures-util"]
 metrics = ["async-trait", "opentelemetry/metrics", "opentelemetry_sdk/metrics"]
 logs = ["opentelemetry/logs", "opentelemetry_sdk/logs", "async-trait", "thiserror", "opentelemetry_sdk/spec_unstable_logs_enabled"]
-populate-logs-event-name = []
 
 [dependencies]
 async-trait = { workspace = true, optional = true }
@@ -34,7 +33,6 @@ futures-util = { workspace = true, optional = true }
 opentelemetry = { version = "0.27", path = "../opentelemetry" }
 opentelemetry_sdk = { version = "0.27", path = "../opentelemetry-sdk" }
 serde = { workspace = true, features = ["derive"] }
-ordered-float = { workspace = true }
 
 [dev-dependencies]
 opentelemetry = { path = "../opentelemetry", features = ["metrics"] }

opentelemetry-stdout/src/common.rs

@@ -11,10 +11,6 @@
 //! * `metrics`: Includes the metrics exporters.
 //! * `logs`: Includes the logs exporters.
 //!
-//! The following feature flags generate additional code and types:
-//! * `populate-logs-event-name`: Enables sending `LogRecord::event_name` as an attribute
-//!    with the key `name`
-//!
 //! # Examples
 //!
 //! ```no_run
@@ -64,8 +60,6 @@
     deny(rustdoc::broken_intra_doc_links)
 )]
 
-pub(crate) mod common;
-
 #[cfg(feature = "metrics")]
 mod metrics;
 #[cfg_attr(docsrs, doc(cfg(feature = "metrics")))]