Allow removal of headers from a proxied request.

[kyle-winkelman]

Along with the ability to add additionalProxyRequestHeaders, it may be beneficial to removeProxyRequestHeaders. For example, if you want to remove the existing value(s) of a header before additional are added or if there are headers you don't want sent downstream.

References

• https://github.com/wiremock/wiremock/pull/2644

Submitter checklist

• [x] The PR request is well described and justified, including the body and the references
• [x] The PR title represents the desired changelog entry
• [ ] If the change against WireMock 2 functionality (incompatible with WireMock 3), it is submitted against the 2.x branch
• [x] The repository's code style is followed (see the contributing guide)

Details: Contributor Guide