Method removeprefix

crates/vm/src/builtins/str.rs:933–937

(&self, pref: PyStrRef)

    #[pymethod]
    fn removeprefix(&self, pref: PyStrRef) -> Wtf8Buf {
        self.as_wtf8()
            .py_removeprefix(pref.as_wtf8(), pref.byte_len(), |s, p| s.starts_with(p))
            .to_owned()
    }

    #[pymethod]
    fn removesuffix(&self, suffix: PyStrRef) -> Wtf8Buf {