docs: trim stuff that is more than five years old from the changelog

A detailed list of changes is useful for a small number of users only,
and only when the changes are fairly recent.

The NEWS file, that contains a summary of user-visible changes and
will be useful for a larger number of users, is distributed in full.
This commit is contained in:
Benno Schulenberg
2024-03-09 17:18:04 +01:00
parent 260f00c76d
commit 623ff4e1ed

2364
ChangeLog

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