fix woq example and update document for v1.19.0

[xin3he]

Type of Change

feature or bug fix or documentation or validation or others
API changed or not

Description

detail description

Expected Behavior & Potential Risk

the expected behavior that triggered by this PR

How has this PR been tested?

how to reproduce the test (including hardware information)

Dependency Change?

any library dependency introduced or removed

[thuang6]

LGTM

[xin3he]

it's a fix for accuracy, bf16 cannot get correct accuracy as below, no idea but bf16 is not necessary so remove it.
inc_gaudi_test #150 [Jenkins]

[xin3he]

latest: https://inteltf-jenk.sh.intel.com/view/lpot-validation/job/inc_gaudi_test/153/

[xin3he]

@XuehaoSun please help trigger the test of opt_125m_woq_autoround_int4_hpu, not opt_125m_woq_autoround_int4, after removing environment variables and using requirement-autoround-hpu.txt in validation codes.

[yiliu30]

@xin3he @XuehaoSun suggest testing the auto-round on the CPU as well.

[xin3he]

cpu: https://inteltf-jenk.sh.intel.com/view/lpot-validation/job/intel-lpot-validation-top-mr-extension/5596/

[xin3he]

Verify complete GPTQ test based on #2100
https://inteltf-jenk.sh.intel.com/job/inc_gaudi_test/156/

[xin3he]

The CPU test failed @XuehaoSun, please help verify the validation machine environment issue.

This issue is not related to this PR and this PR didn't change CPU related logic. so we merge it first for release test. @yiliu30

[yiliu30]

The CPU test failed @XuehaoSun, please help verify the validation machine environment issue.

This issue is not related to this PR and this PR didn't change CPU related logic. so we merge it first for release test. @yiliu30

@xin3he It's fine with me. Please create a Jira to track it in case we miss it in the future.