remove tracing::intrument annotations (#3197)

* remove tracing::intrument annotations

* remove unused param and leftover

* more leftovers

polkadot/node/network/availability-distribution/src/requester/fetch_task/mod.rs

@@ -176,7 +176,6 @@ impl FetchTask {
 	/// Start fetching a chunk.
 	///
 	/// A task handling the fetching of the configured chunk will be spawned.
-	#[tracing::instrument(level = "trace", skip(config, ctx), fields(subsystem = LOG_TARGET))]
 	pub async fn start<Context>(config: FetchTaskConfig, ctx: &mut Context) -> Result<Self>
 	where
 		Context: SubsystemContext,
@@ -249,7 +248,6 @@ enum TaskError {
 }
 
 impl RunningTask {
-	#[tracing::instrument(level = "trace", skip(self, kill), fields(subsystem = LOG_TARGET))]
 	async fn run(self, kill: oneshot::Receiver<()>) {
 		// Wait for completion/or cancel.
 		let run_it = self.run_inner();

polkadot/node/network/availability-distribution/src/requester/mod.rs

@@ -78,7 +78,6 @@ impl Requester {
 	///
 	/// You must feed it with `ActiveLeavesUpdate` via `update_fetching_heads` and make it progress
 	/// by advancing the stream.
-	#[tracing::instrument(level = "trace", skip(metrics), fields(subsystem = LOG_TARGET))]
 	pub fn new(metrics: Metrics) -> Self {
 		let (tx, rx) = mpsc::channel(1);
 		Requester {
@@ -92,7 +91,6 @@ impl Requester {
 	/// Update heads that need availability distribution.
 	///
 	/// For all active heads we will be fetching our chunks for availability distribution.
-	#[tracing::instrument(level = "trace", skip(self, ctx, runtime, update), fields(subsystem = LOG_TARGET))]
 	pub async fn update_fetching_heads<Context>(
 		&mut self,
 		ctx: &mut Context,

polkadot/node/network/availability-distribution/src/requester/session_cache.rs

@@ -95,7 +95,6 @@ impl SessionCache {
 	///
 	/// Use this function over any `fetch_session_info` if all you need is a reference to
 	/// `SessionInfo`, as it avoids an expensive clone.
-	#[tracing::instrument(level = "trace", skip(self, ctx, runtime, with_info), fields(subsystem = LOG_TARGET))]
 	pub async fn with_session_info<Context, F, R>(
 		&mut self,
 		ctx: &mut Context,
@@ -146,7 +145,6 @@ impl SessionCache {
 	///
 	/// We assume validators in a group are tried in reverse order, so the reported bad validators
 	/// will be put at the beginning of the group.
-	#[tracing::instrument(level = "trace", skip(self, report), fields(subsystem = LOG_TARGET))]
 	pub fn report_bad(&mut self, report: BadValidators) -> crate::Result<()> {
 		let session = self
 			.session_info_cache