Fix clippy lint ineffective_open_options

This new `clippy` lint was introduced in the latest Rust release (1.76).

android/translations-converter/src/gettext/mod.rs

@@ -25,7 +25,6 @@ pub fn append_to_template(
     entries: impl Iterator<Item = MsgEntry>,
 ) -> Result<(), io::Error> {
     let file = OpenOptions::new()
-        .write(true)
         .append(true)
         .open(file_path)?;
     let mut sorted_entries: Vec<_> = entries.collect();