removed non needed attr

Author: dzmitry-lahoda

examples/tracing-grpc/Cargo.toml

@@ -19,9 +19,6 @@ opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["rt-tokio"]
 opentelemetry-stdout = { workspace = true, features = ["trace"] }
 prost = { workspace = true }
 tokio = { workspace = true, features = ["full"] }
-tonic = { workspace = true, default-features = false, features = [
-    "transport", "codegen", "prost", "channel"
-] }
 tonic = { workspace = true, features = ["server", "codegen", "channel", "prost"] }
 
 [build-dependencies]

opentelemetry-otlp/Cargo.toml

@@ -34,7 +34,7 @@ opentelemetry-proto = { version = "0.28", path = "../opentelemetry-proto", defau
 tracing = {workspace = true, optional = true}
 
 prost = { workspace = true, optional = true }
-tonic = { workspace = true, default-features = false, optional = true }
+tonic = { workspace = true, optional = true }
 tokio = { workspace = true, features = ["sync", "rt"], optional = true }
 
 reqwest = { workspace = true, optional = true }