[INFRA] Removed old, unused Github actions (delta-io#2763)

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#### Which Delta project/connector is this regarding?
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For example: [Spark] Title of my pull request
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- [ ] Spark
- [ ] Standalone
- [ ] Flink
- [ ] Kernel
- [x] Other: Infra

## Description
As the title says

## How was this patch tested?

N/A

## Does this PR introduce _any_ user-facing changes?
No

Author: tdas