Consolidate PRESUBMIT.cfg files at the top directory.

This file is used by the pre-submit checks to enable/disable checks and
should be place at the top of the directory.

BUG=chromium:613365
TEST=repo upload

Change-Id: Ife8068b497d1b038f3611db6d3eea4ad67532ad6
Reviewed-on: https://chromium-review.googlesource.com/346251
Commit-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
diff --git a/attestation/PRESUBMIT.cfg b/PRESUBMIT.cfg
similarity index 100%
rename from attestation/PRESUBMIT.cfg
rename to PRESUBMIT.cfg
diff --git a/tpm_manager/PRESUBMIT.cfg b/tpm_manager/PRESUBMIT.cfg
deleted file mode 100644
index 087dfa3..0000000
--- a/tpm_manager/PRESUBMIT.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[Hook Overrides]
-cros_license_check: false
-aosp_license_check: true
diff --git a/trunks/PRESUBMIT.cfg b/trunks/PRESUBMIT.cfg
deleted file mode 100644
index 087dfa3..0000000
--- a/trunks/PRESUBMIT.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[Hook Overrides]
-cros_license_check: false
-aosp_license_check: true