Remove unused variable

src/reader/reader.rs

@@ -5493,7 +5493,6 @@ fn update_autosuggestion(&mut self) {
         }
 
         let el = &self.data.command_line;
-        let autosuggestion = &self.autosuggestion;
         if self.is_at_line_with_autosuggestion() {
             return;
         }