Remove a Hosts element to workaround sideload failure on Old Outlook

[Rick-Kirkham]

Change Description:

Remove a Hosts element from the Outlook XML manifest's VersionOverrides v. 1_0 because its presence caused a sideload failure on Old Outlook.

1. Do these changes impact any npm scripts commands (in package.json)? (e.g., running 'npm run start') If Yes, briefly describe what is impacted. no

2. Do these changes impact VS Code debugging options (launch.json)? If Yes, briefly describe what is impacted. no

3. Do these changes impact template output? (e.g., add/remove file, update file location, update file contents) If Yes, briefly describe what is impacted. Yes. See above.

4. Do these changes impact documentation? (e.g., a tutorial on https://docs.microsoft.com/en-us/office/dev/add-ins/overview/office-add-ins) If Yes, briefly describe what is impacted. No.

If you answered yes to any of these please do the following:

Include 'Rick-Kirkham' in the review Make sure the README file is correct

Validation/testing performed:

All tests passed locally.

[millerds]

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