Remove unused Ant related SWTBot feature.
Remove unused Ant related SWTBot feature.

It breaks IDE provisioning with Oomph when the platform is Eclipse Neon due to https://bugs.eclipse.org/476405

[Build]
lemmy/tlaplus,lemmy/tlaplus,lemmy/tlaplus,tlaplus/tlaplus,tlaplus/tlaplus,tlaplus/tlaplus,lemmy/tlaplus,tlaplus/tlaplus