Method removesuffix

crates/vm/src/builtins/str.rs:940–944

(&self, suffix: PyStrRef)

    #[pymethod]
    fn removesuffix(&self, suffix: PyStrRef) -> Wtf8Buf {
        self.as_wtf8()
            .py_removesuffix(suffix.as_wtf8(), suffix.byte_len(), |s, p| s.ends_with(p))
            .to_owned()
    }

    #[pymethod]
    fn isalnum(&self) -> bool {