fix: Revert openblas and other runtime dependency on ppc64le

[jyejare]

What this PR does / why we need it:

Revert changes made in #321 to regain feast operator success failing due to missing openblas and other relevent dependency.

Which issue(s) this PR fixes:

Fixes RHOAIENG-83758

Checks

• I've made sure the tests are passing.
• My commits are signed off (git commit -s)
• My PR title follows conventional commits format

Testing Strategy

• Testing is not required for this change

Misc

This is a build-script-only change (shell script for ppc64le image builds). No code tests are affected.

[github-actions]

Post-Codefreeze Gatekeeper — FAILED (evaluation)

Advisory only — this check does not block merging. Please review the results before merging.

Target branch: rhoai-3.5
Required Jira version: 3.5 GA RHOAI RELEASE

❌ The following issues were found:

• RHOAIENG-83758:
  • Release Blocker is Proposed, expected Approved

---

_{After resolving issues, push a commit, re-edit the PR description, or add the run-gatekeeper label to re-trigger this check.}

[jyejare]

/build-konflux feature-server

[puneetsharma21]

Hi @jyejare , this file is no longer being used on the 3.5 branch. the issue came because of this PR merged #321

changes on dockerfile https://github.com/red-hat-data-services/feast/pull/321/changes#diff-0f0355cec3ca85a127c21ee04fb1908b7d461518a300fcb9b15e170620e9987cR31

We added the following system packages to ensure Feast works correctly on Power
python3.12-devel postgresql-devel gcc openblas-devel

[puneetsharma21]

Also, please revert the re2-related changes. These changes are also specific to Power, it won't affect the other architectures.
https://github.com/red-hat-data-services/feast/pull/321/changes#diff-0f0355cec3ca85a127c21ee04fb1908b7d461518a300fcb9b15e170620e9987cL37

[jyejare]

/build-konflux feature-server

[jyejare]

@puneetsharma21 Thanks for bringing the real issue. Please re-review, i have reverted the required changes.

[puneetsharma21]

Thanks. LGTM

[ntkathole]

@jyejare please get the same done for main branch