trace-forwarder: remove unused crate protobuf

Remove unused crate protobuf. Signed-off-by: Tim Zhang <tim@hyper.sh>
ChengyuZhu6 · Apr 17, 2023 · 0a582f7 · 0a582f7
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diff --git a/src/tools/trace-forwarder/Cargo.lock b/src/tools/trace-forwarder/Cargo.lock
diff --git a/src/tools/trace-forwarder/Cargo.toml b/src/tools/trace-forwarder/Cargo.toml
@@ -23,7 +23,6 @@ serde_json = "1.0.44"
 anyhow = "1.0.31"
 opentelemetry = { version = "0.14.0", features=["serialize"] }
 opentelemetry-jaeger = "0.13.0"
-protobuf = "2.27.0"
 tracing-opentelemetry = "0.16.0"
 tracing = "0.1.29"
 tracing-subscriber = "0.3.3"