Remove X-Host-* special headers

[aomegax]

List of Changes

• removed x-host-* headers

Motivation and Context

These headers are propagated to the partner service.
Besides they are considered special headers for Mocker, so the generated hash key differs from configuration.

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[github-actions]

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