autotest: Remove test_Recall and associated infrastructure

The test is unused.

BUG=chromium:356414
TEST=trybot on lumpy-release
CQ-DEPEND=CL:203107

Change-Id: Iaf06e727b4ee6fae9225d4f6a778d4f551d7874d
Reviewed-on: https://chromium-review.googlesource.com/203106
Reviewed-by: Scott James Remnant <keybuk@chromium.org>
Reviewed-by: Alex Miller <milleral@chromium.org>
Tested-by: Gaurav Shah <gauravsh@chromium.org>
Commit-Queue: Gaurav Shah <gauravsh@chromium.org>
15 files changed