chore: remove obsolete secrets

[paullatzelsperger]

What this PR changes/adds

Removes some obsolete repo secrets from the otterdog config.

Why it does that

cleanup

Further notes

List other areas of code that have changed but are not necessarily linked to the main feature. This could be method
signature changes, package declarations, bugs that were encountered and were fixed inline, etc.

Linked Issue(s)

Closes # <-- insert Issue number if one exists

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[netomi]

I double checked that these secrets are not used anymore by any workflow.

[github-actions]

Diff for 0b01f70:

Printing local diff for configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json'

Actions are indicated with the following symbols:
+   create
!   modify
!   forced update
-   delete

Organization eclipse-edc[id=eclipse-edc]
  there have been 58 validation infos, enable verbose output with '-v' to to display them.

-   remove repo_secret[name="AZ_STORAGE_KEY", repository="Connector"] {
-     name                                                     = "AZ_STORAGE_KEY"
-   }

-   remove repo_secret[name="AZ_STORAGE_SAS", repository="Connector"] {
-     name                                                     = "AZ_STORAGE_SAS"
-   }

-   remove repo_secret[name="COSMOS_KEY", repository="Connector"] {
-     name                                                     = "COSMOS_KEY"
-   }

-   remove repo_secret[name="S3_ACCESS_KEY_ID", repository="Connector"] {
-     name                                                     = "S3_ACCESS_KEY_ID"
-   }

-   remove repo_secret[name="S3_SECRET_ACCESS_KEY", repository="Connector"] {
-     name                                                     = "S3_SECRET_ACCESS_KEY"
-   }

-   remove repo_secret[name="COSMOS_KEY", repository="Technology-Azure"] {
-     name                                                     = "COSMOS_KEY"
-   }
  
  Plan: 0 to add, 0 to change, 6 to delete.

Showing diff to a canonical version of the configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json'

Organization eclipse-edc[id=eclipse-edc]

[netomi]

secrets have been deleted.