Replaced if-let-else-unreachable with let-else-unreachable

src/main.rs

@@ -566,7 +566,10 @@ fn handle_relative_connection(
         );
     };
 
-    if let Ok(pk_file) = File::open(file_paths.pk) {
+    let Ok(pk_file) = File::open(file_paths.pk) else {
+        unreachable!();
+    };
+
     let lines = BufReader::new(pk_file).lines();
 
     if let Some(i) = partial {
@@ -652,14 +655,14 @@ fn handle_relative_connection(
                 .with_use_textboxes(true),
         );
     }
-    } else {
-        unreachable!();
-    }
 
     section(&mut stream);
 
     if let Some(pki_path) = file_paths.pki {
-        if let Ok(pki_file) = File::open(pki_path) {
+        let Ok(pki_file) = File::open(pki_path) else {
+            unreachable!();
+        };
+
         let _ = writeln!(stream, "<h1>Description</h1>");
 
         if let Some(audio_path) = &file_paths.audio {
@@ -675,9 +678,6 @@ fn handle_relative_connection(
         convert_subheader(lines.map(Result::unwrap_or_default), &mut stream, 1);
 
         section(&mut stream);
-        } else {
-            unreachable!();
-        }
     }
 
     let html = html! {