Revert "Bug 451929 - Leverage p2 ability to express native packages"

This is breaking downstream builds.

This reverts commit 18e6101a53d99969f9dff1fdbc95debb18983390.

Change-Id: I5dd2ee129518757866ab832c683b648d13b07b83
Reviewed-on: https://git.eclipse.org/r/38594
Tested-by: Hudson CI
Reviewed-by: Doug Schaefer <dschaefer@qnx.com>