Revert "start implementing PartialOrd for Directive"

This reverts commit d220cec.

CHANGELOG.md

@@ -13,7 +13,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * Support booking method in open account directive
 * implement `std::error::Error` for `ConversionError`
 * implement `FromStr` for `Directive<D>` where `D: Decimal`
-* implement `PartialOrd` for `Directive<D>`
 
 
 ## [2.0.0-beta.2] - 2023-07-08

src/lib.rs

@@ -43,7 +43,6 @@
 //! # Ok(()) }
 //! ```
 
-use std::cmp::Ordering;
 use std::{collections::HashSet, fs::File, io::Read, path::PathBuf, str::FromStr};
 
 use nom::{
@@ -293,15 +292,6 @@ impl<D: Decimal> FromStr for Directive<D> {
     }
 }
 
-impl<D> PartialOrd for Directive<D>
-where
-    Directive<D>: PartialEq,
-{
-    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(self.date.cmp(&other.date))
-    }
-}
-
 /// Directive specific content
 #[allow(missing_docs)]
 #[derive(Debug, Clone, PartialEq)]

tests/util_spec.rs

@@ -94,16 +94,3 @@ fn directive_from_str(
     let from_str: Directive<f64> = input.parse().unwrap();
     assert_eq!(from_file, from_str);
 }
-
-#[rstest]
-#[case("2023-07-09 open Assets:Cash", "2023-07-10 open Assets:Cash")]
-#[case("2023-07-09 open Assets:Cash", "2023-08-08 open Assets:Cash")]
-#[case("2023-07-09 open Assets:Cash", "2024-06-08 open Assets:Cash")]
-fn directive_ord(#[case] smaller: Directive<f64>, #[case] bigger: Directive<f64>) {
-    assert!(smaller < bigger);
-    assert!(smaller <= bigger);
-    assert_eq!(smaller, smaller.clone());
-    assert_eq!(bigger, bigger.clone());
-    assert!(bigger > smaller);
-    assert!(bigger >= smaller);
-}