♻️ Fix unwrap()s in ptth_core.

Some were in an unused function, so I removed that function.

Some were in graceful_shutdown and can't really be handled. So I made
them into "expect"s

crates/ptth_core/src/graceful_shutdown.rs

@@ -25,7 +25,7 @@ pub fn init () -> oneshot::Receiver <()> {
 		let tx = tx.replace (None);
 		
 		if let Some (tx) = tx {
-			tx.send (()).unwrap ();
+			tx.send (()).expect ("Error sending Ctrl-C to program");
 		}
 	}).expect ("Error setting Ctrl-C handler");
 	
@@ -72,8 +72,8 @@ impl ForcedShutdown {
 		server: F
 	) -> Result <T, ShutdownError> {
 		let fut = async move {
-			self.rx.await.unwrap ();
+			self.rx.await.expect ("Error awaiting graceful shutdown signal");
-			self.tx.send (()).unwrap ();
+			self.tx.send (()).expect ("Error forwarding graceful shutdown signal");
 			let timeout = 5;
 			debug! ("Starting graceful shutdown. Forcing shutdown in {} seconds", timeout);
 			delay_for (Duration::from_secs (timeout)).await;

crates/ptth_core/src/http_serde.rs

@@ -154,24 +154,6 @@ pub struct Response {
 }
 
 impl Response {
-	pub async fn into_bytes (self) -> Vec <u8> {
-		let mut body = match self.body {
-			None => return Vec::new (),
-			Some (x) => x,
-		};
-		
-		let mut result = match self.content_length {
-			None => Vec::new (),
-			Some (x) => Vec::with_capacity (x.try_into ().unwrap ()),
-		};
-		
-		while let Some (Ok (mut chunk)) = body.recv ().await {
-			result.append (&mut chunk);
-		}
-		
-		result
-	}
-	
 	pub fn status_code (&mut self, c: StatusCode) -> &mut Self {
 		self.parts.status_code = c;
 		self