Revert "appveyor scrips are updated with specflow"
Revert "appveyor scrips are updated with specflow"

This reverts commit fb9fb8cc54a5a9a32fea4bddc63b0be5be2fa318.

# Conflicts:
#	ExecutingTestsOnLinux.ps1

ObjectivityLtd/Test.Automation,ObjectivityBSS/Test.Automation