feat: option to remove network adapters

[tenthirtyam]

Summary

Adds the option to remove all network adapters at the end of the image build, including tests.

remove_network_adapter (bool) - Remove all network adapters from virtual machine image. Defaults to false.

Testing

• Basic Tests ✅
• End to End Tests ✅

➜  packer-plugin-vsphere git:(feat/option-remove-network-adapters) go fmt ./...
➜  packer-plugin-vsphere git:(feat/option-remove-network-adapters) make generate
2024/04/26 23:23:44 Copying "docs" to ".docs/"
2024/04/26 23:23:44 Replacing @include '...' calls in .docs/
Compiling MDX docs in '.docs' to Markdown in '.web-docs'...
➜  packer-plugin-vsphere git:(feat/option-remove-network-adapters) make build
➜  packer-plugin-vsphere git:(feat/option-remove-network-adapters) make test
?       github.com/hashicorp/packer-plugin-vsphere      [no test files]
?       github.com/hashicorp/packer-plugin-vsphere/builder/vsphere/common/testing       [no test files]
?       github.com/hashicorp/packer-plugin-vsphere/builder/vsphere/examples/driver      [no test files]
?       github.com/hashicorp/packer-plugin-vsphere/version      [no test files]
ok      github.com/hashicorp/packer-plugin-vsphere/builder/vsphere/clone        3.767s
ok      github.com/hashicorp/packer-plugin-vsphere/builder/vsphere/common       2.613s
ok      github.com/hashicorp/packer-plugin-vsphere/builder/vsphere/driver       6.401s
ok      github.com/hashicorp/packer-plugin-vsphere/builder/vsphere/iso  4.691s
ok      github.com/hashicorp/packer-plugin-vsphere/builder/vsphere/supervisor   7.646s
ok      github.com/hashicorp/packer-plugin-vsphere/post-processor/vsphere       3.059s
ok      github.com/hashicorp/packer-plugin-vsphere/post-processor/vsphere-template      3.980s
➜  packer-plugin-vsphere git:(feat/option-remove-network-adapters) 

Reference

Closes #6