Fix script to clean up data errors using update(), and updateMultiple() methods

[Mexiprince]

PR Description: Fix script to clean up data errors using updateMultiple() method, v1, and v2. The updateMultiple() method improves performance.

Pull Request Checklist

Overview

• [ X] I have read and understood the CONTRIBUTING.md guidelines
• [ X] My pull request has a descriptive title that accurately reflects the changes
• [ X] I've included only files relevant to the changes described in the PR title and description
• [ X] I've created a new branch in my forked repository for this contribution

Code Quality

• [ X] My code is relevant to ServiceNow developers
• [ X] My code snippets expand meaningfully on official ServiceNow documentation (if applicable)
• I've disclosed use of ES2021 features (if applicable)
• I've tested my code snippets in a ServiceNow environment (where possible)

Repository Structure Compliance

• [ X] I've placed my code snippet(s) in one of the required top-level categories:
  • Core ServiceNow APIs/
  • Server-Side Components/
  • Client-Side Components/
  • Modern Development/
  • Integration/
  • Specialized Areas/
• [ X] I've used appropriate sub-categories within the top-level categories
• [X ] Each code snippet has its own folder with a descriptive name

Documentation

• [ X] I've included a README.md file for each code snippet
• [ X] The README.md includes:
  • Description of the code snippet functionality
  • Usage instructions or examples
  • Any prerequisites or dependencies
  • (Optional) Screenshots or diagrams if helpful

Restrictions

• My PR does not include XML exports of ServiceNow records
• My PR does not contain sensitive information (passwords, API keys, tokens)
• My PR does not include changes that fall outside the described scope

[rohi-v]

Hi @Mexiprince

Thank you for your contribution

However, before we can proceed, please ensure the code follows best practices,coding standards and guidelines (as outlined in the CONTRIBUTING.md file)

1. Check if existing similar scenarios are already covered or not
   Sample : https://github.com/ServiceNowDevProgram/code-snippets/tree/9973350de0872003ddb093c901d4dc52cebe00ae/Core%20ServiceNow%20APIs/GlideRecord/UpdateMultiple
2. Examples of best practices include using valid methods (. addInfoMessage(string) that work in fix script and ensure your code is working properly from your fix script.

Closing this for now. Once you make additional changes, feel free to re-open this Pull Request or create a new one.