Explicitly implement OrderedSet.remove method

Was auto-implemented by superclass before this.

Throws KeyError if missing, just like set.remove.

Author: Techcable

src/techcable/orderedset/_orderedset.py

@@ -162,6 +162,17 @@ def add(self, value: T, /) -> None:
         """
         self.append(value)
 
+    @override
+    def remove(self, value: T, /) -> None:
+        """
+        Remove an element from the set, throwing a KeyError if not present.
+
+        See [`OrderedSet.discard`] for a variant that does nothing if the item is not present.
+        """
+        # set.remove will raise a KeyError for us
+        self._unique.remove(value)
+        self._elements.remove(value)
+
     @override
     def discard(self, value: T, /) -> None:
         """