Remove unused tokio-stream dependency

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Cargo.lock

@@ -886,7 +886,6 @@ dependencies = [
  "serde_json",
  "sha2",
  "tokio",
- "tokio-stream",
  "toml",
  "tracing",
  "tracing-subscriber",
@@ -1529,17 +1528,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "tokio-stream"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32da49809aab5c3bc678af03902d4ccddea2a87d028d86392a4b1560c6906c70"
-dependencies = [
- "futures-core",
- "pin-project-lite",
- "tokio",
-]
-
 [[package]]
 name = "tokio-util"
 version = "0.7.18"