Revert "add phet-io api test to general test, https://github.com/phetsims/phetmarks/issues/21"
Revert "add phet-io api test to general test, https://github.com/phetsims/phetmarks/issues/21"

This reverts commit 302a77c91dbe40c6f76eff00b2ded3701406f061.

phetsims/phetmarks,phetsims/phetmarks