Removed the jsonb option to be able to update the mysql database

[Spomsoree]

This fixed the problem described here: #1905 (comment)

I'm not able to test if fixtures can be installed with postgres. This may undo the fix made in the Issue above.

[bobdenotter]

I'm looking into this PR, and i don't know quite enough about Postgres to judge it properly. .

About your comment, for what was breaking:

(sfsu is my alias to update the schema: sf doctrine:schema:update)
I run the following: sfsu --dump-sql && sfsu && sfsu --dump-sql:

To update the schema, I normally use bin/console doctrine:schema:update --force. Is that different than sf ?

[Spomsoree]

Thats just a alias for php bin/console from the zsh symfony plugin: https://github.com/ohmyzsh/ohmyzsh/blob/master/plugins/symfony2/symfony2.plugin.zsh

It's exactly the same as php bin/console doctrine:schema:update --force

[Spomsoree]

@bobdenotter As far as I know jsonb only improves the speed of the postgres database.

I just setup a postgres database, updated the schema, removed the jsonb option, generated migrations, which did result in an empty migrations file.

I think this should be safe to merge.

[github-actions]

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