Remove claim, untrue since over 5 years ago, that cursorOffset is incompatible with rangeStart/rangeEnd (#15750)

docs/api.md

@@ -26,7 +26,7 @@ await prettier.format("foo ( );", { semi: false, parser: "babel" });
 
 `formatWithCursor` both formats the code, and translates a cursor position from unformatted code to formatted code. This is useful for editor integrations, to prevent the cursor from moving when code is formatted.
 
-The `cursorOffset` option should be provided, to specify where the cursor is. This option cannot be used with `rangeStart` and `rangeEnd`.
+The `cursorOffset` option should be provided, to specify where the cursor is.
 
 ```js
 await prettier.formatWithCursor(" 1", { cursorOffset: 2, parser: "babel" });