Remove some unnecessary blocks.

src/renderer/html_handlebars/hbs_renderer.rs

@@ -57,20 +57,16 @@ impl HtmlHandlebars {
             bail!(ErrorKind::ReservedFilenameError(path.clone()));
         };
 
-        // Non-lexical lifetimes needed :'(
-        let title: String;
-        {
         let book_title = ctx
             .data
             .get("book_title")
             .and_then(serde_json::Value::as_str)
             .unwrap_or("");
 
-            title = match book_title {
+        let title = match book_title {
             "" => ch.name.clone(),
             _ => ch.name.clone() + " - " + book_title,
-            }
-        }
+        };
 
         ctx.data.insert("path".to_owned(), json!(path));
         ctx.data.insert("content".to_owned(), json!(content));

src/renderer/mod.rs

@@ -204,7 +204,6 @@ impl Renderer for CmdRenderer {
             Err(e) => return self.handle_render_command_error(ctx, e),
         };
 
-        {
         let mut stdin = child.stdin.take().expect("Child has stdin");
         if let Err(e) = serde_json::to_writer(&mut stdin, &ctx) {
             // Looks like the backend hung up before we could finish
@@ -214,7 +213,6 @@ impl Renderer for CmdRenderer {
 
         // explicitly close the `stdin` file handle
         drop(stdin);
-        }
 
         let status = child
             .wait()