Remove redundant "default" connection.
minor #4667 Remove redundant "default" connection (xelaris)

This PR was merged into the 2.3 branch.

Discussion
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Remove redundant "default" connection

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | >=2.3
| Fixed tickets |

There where two connections with same key "default". I just removed the first one. It seems to be a relict from earlier versions.

Commits
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bab8f1a Remove redundant "default" connection.