pijul record: remove manual dependency resolution

Dependencies

• [2] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [3] I52XSRUH Massive cleanup, and simplification

Change contents

• edit in pijul/src/commands/record.rs at line 243
  [2.109411]→[2.109411:109687](∅→∅)
  − let (dependencies, extra_known) = if self.tag {

  − full_dependencies(txn, channel)

  − } else {

  − dependencies(txn, channel, change.changes.iter())

  − };

  − change.dependencies = dependencies;

  − change.extra_known = extra_known;