What kind of change does this PR introduce?

fix
closes #1552

What is the current behavior?

Contains a reference that has no useage

What is the new behavior?

The reference to System.Net.Http has been removed

What might this PR break?

Not expected unless the System.Net.Http lib is being relied upon by end user for their own code.

Please check if the PR fulfills these requirements

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Other information: