Remove now-unnecessary merge configs.

The values in these files can now be inferred,
starting in https://r.android.com/2006311.

In fact, since http://cl/435084270 they have been inferred for these
redfin VF targets.

Bug: 221858722
Test: n/a, files unused
Merged-In: I6851bed2ece4c932133228afd47117a47483d7ad
Change-Id: Iec4ab4b9d73f75df4bf87a5288d3bcb525a0e0d5
3 files changed