Revert "Open folds containing selections when jumping from multibuffer (#21433)" (#21566)

This reverts commit dc32ab25a0.

This has been causing panics, backing it out while figuring out what's
up.

Release Notes:

- N/A

crates/editor/src/editor.rs

@@ -12925,7 +12925,6 @@ impl Editor {
                             None => Autoscroll::newest(),
                         };
                         let nav_history = editor.nav_history.take();
-                        editor.unfold_ranges(&ranges, false, true, cx);
                         editor.change_selections(Some(autoscroll), cx, |s| {
                             s.select_ranges(ranges);
                         });