Removing timezone on export xlsx

[hjoaquim]

Description

• Summary of the change / bug fix.
  Removes timezone on export xlsx

• Link # issue, if applicable.
  Fix [Bug] Some Export capabilities do not work due to ignore_tz=False #4040

• Screenshot of the feature or the bug before/after fix, if applicable.
  After fix:

2023 Feb 07, 15:51 (🦋) /crypto/ $ candle --export xlsx

Saved file: /home/hjoaquim/OpenBBUserData/exports/20230207_155134_cryptocurrency_btc.xlsx

• Relevant motivation and context.
  🐛 💀

• List any dependencies that are required for this change.
  NA

How has this been tested?

• Please describe the tests that you ran to verify your changes.
• Provide instructions so we can reproduce.
• Please also list any relevant details for your test configuration.

• Make sure affected commands still run in terminal
• Ensure the SDK still works
• Check any related reports

Checklist:

• Update our Hugo documentation following these guidelines.
• Update our tests following these guidelines.
• Make sure you are following our CONTRIBUTING guidelines.
• If a feature was added make sure to add it to the corresponding scripts file.

Others

• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.