Remove unused dependencies/features

Author: aumetra

examples/logs-basic/Cargo.toml

@@ -12,4 +12,3 @@ opentelemetry-stdout = { path = "../../opentelemetry-stdout", features = ["logs"
 opentelemetry-appender-log = { path = "../../opentelemetry-appender-log", default-features = false}
 opentelemetry-semantic-conventions = { path = "../../opentelemetry-semantic-conventions" }
 log = { workspace = true }
-serde_json = { workspace = true }

examples/metrics-advanced/Cargo.toml

@@ -10,4 +10,3 @@ opentelemetry = { path = "../../opentelemetry", features = ["metrics"] }
 opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["metrics", "rt-tokio"] }
 opentelemetry-stdout = { path = "../../opentelemetry-stdout", features = ["metrics"]}
 tokio = { workspace = true, features = ["full"] }
-serde_json = { workspace = true }

examples/metrics-basic/Cargo.toml

@@ -10,7 +10,6 @@ opentelemetry = { path = "../../opentelemetry", features = ["metrics", "otel_uns
 opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["metrics", "rt-tokio"] }
 opentelemetry-stdout = { path = "../../opentelemetry-stdout", features = ["metrics"]}
 tokio = { workspace = true, features = ["full"] }
-serde_json = { workspace = true }
 
 [features]
 default = ["otel_unstable"]

opentelemetry-appender-tracing/Cargo.toml

@@ -12,7 +12,6 @@ rust-version = "1.65"
 
 [dependencies]
 log = { workspace = true, optional = true }
-once_cell = { workspace = true }
 opentelemetry = { version = "0.23", path = "../opentelemetry", features = ["logs"] }
 tracing = { workspace = true, features = ["std"]}
 tracing-core = { workspace = true }

opentelemetry-otlp/tests/integration_test/Cargo.toml

@@ -6,7 +6,6 @@ publish = false
 
 
 [dependencies]
-once_cell = { workspace = true }
 opentelemetry = { path = "../../../opentelemetry", features = ["metrics", "logs"] }
 opentelemetry_sdk = { path = "../../../opentelemetry-sdk", features = ["rt-tokio", "logs", "testing"] }
 opentelemetry-proto = { path = "../../../opentelemetry-proto", features = ["gen-tonic-messages", "trace", "logs", "with-serde"] }

stress/Cargo.toml

@@ -43,7 +43,6 @@ opentelemetry_sdk = { path = "../opentelemetry-sdk", features = ["metrics", "log
 opentelemetry-appender-tracing = { path = "../opentelemetry-appender-tracing"}
 rand = { version = "0.8.4", features = ["small_rng"] }
 tracing = { workspace = true, features = ["std"]}
-tracing-core = { workspace = true }
 tracing-subscriber = { workspace = true, features = ["registry", "std"] }
 num-format = "0.4.4"
 sysinfo = { version = "0.30.12", optional = true }