[rocm-libraries] ROCm/rocm-libraries#7664 (commit de5d6b1)

Revert "[CK] Enable grouped conv bwd data to match non-grouped perf" (#7664)

## Motivation

Incorrect results has been introduced for some conv bwd cases.

## Technical Details

This reverts commit 33424f65346d6330d0fd94b5a4e6f843f24e52c3.

## Test Plan

CI

## Test Result

Pending

## Submission Checklist

- [x] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

ALMIOPEN-1959