Revert "we can test the use of the PAUSE index by using our own package and its new version in the test dist"

This reverts commit 4e9e9cf31843f91042666d3b8da6c7aefe2aaa29.

Conflicts:
	t/02-file-from-code.t
this test always failed when testing an already-indexed dist
Dist-Zilla-Plugin-Test-NewVersion-0.005

          - fix wrong-headed test that will *always* fail when testing this
            distribution after the PAUSE index has updated (double doh!)