Remove ancient migration docs

Signed-off-by: David Mehren <git@herrmehren.de>

1 files changed, 0 insertions, 55 deletions

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-# Migrations and Notable Changes
-
-## Migrating to 1.4.0
-
-We dropped support for node 6 with this version. If you have any trouble running this version, please double check that you are running at least node 8!
-
-## Migrating to 1.3.2
-
-This is not a breaking change, but to stay up to date with the community
-repository, you may need to update a few urls. This is not a breaking change.
-
-See more at [issue #10](https://github.com/hedgedoc/hedgedoc/issues/10)
-
-### Native setup using git
-
-Change the upstream remote using `git remote set-url origin https://github.com/hedgedoc/hedgedoc.git`.
-
-### Docker
-
-When you use our [container repository](https://github.com/hedgedoc/container) 
-(which was previously `hedgedoc-container`) all you can simply run `git pull` and
-your `docker-compose.yml` will be updated.
-
-When you setup things yourself, make sure you use the new image:
-[`quay.io/hedgedoc/hedgedoc`](https://quay.io/repository/hedgedoc/hedgedoc?tab=tags).
-
-### Heroku
-
-All you need to do is [disconnect GitHub](https://devcenter.heroku.com/articles/github-integration#disconnecting-from-github)
-and [reconnect it](https://devcenter.heroku.com/articles/github-integration#enabling-github-integration)
-with this new repository.
-
-Or you can use our Heroku button and redeploy your instance and link the old
-database again.
-
-## Migrating to 1.1.0
-
-We deprecated the older lower case config style and moved on to camel case style. Please have a look at the current `config.json.example` and check the warnings on startup.
-
-*Notice: This is not a breaking change right now but will be in the future*
-
-## Migrating to 0.5.0
-
-[migration-to-0.5.0 migration tool](https://github.com/hackmdio/migration-to-0.5.0)
-
-We don't use LZString to compress socket.io data and DB data after version 0.5.0.
-Please run the migration tool if you're upgrading from the old version.
-
-## Migrating to 0.4.0
-
-[migration-to-0.4.0 migration tool](https://github.com/hackmdio/migration-to-0.4.0)
-
-We've dropped MongoDB after version 0.4.0.
-So here is the migration tool for you to transfer the old DB data to the new DB.
-This tool is also used for official service.