[SPARK-53765] Remove Daily integration-test-linux GitHub Action job

### What changes were proposed in this pull request?

This PR aims to remove the daily `integration-test-linux` GitHub Action job.

### Why are the changes needed?

This is superseded by the following test coverage. So, we can remove it safely.
- #228
- #236

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Manual review because this is a removal of test coverage.

### Was this patch authored or co-authored using generative AI tooling?

No.

Closes #248 from dongjoon-hyun/SPARK-53765.

Authored-by: Dongjoon Hyun <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

Author: dongjoon-hyun