archive_hwqual: use keys from chromite

We're deleting the copies under src/scripts/.

BUG=b:191307774
TEST=CQ passes

Change-Id: If6ef2bb4f3bd7f6d55c879142b5819eb5228a154
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crostestutils/+/4214752
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Katherine Threlkeld <kathrelkeld@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/archive_hwqual b/archive_hwqual
index 3127d6e..858daa8 100755
--- a/archive_hwqual
+++ b/archive_hwqual
@@ -12,7 +12,7 @@
 
 . "${SCRIPTS_DIR}/lib/shflags/shflags" || die "Couldn't find shflags"
 
-DEFAULT_PRIVATE_KEY="${SCRIPTS_DIR}/mod_for_test_scripts/ssh_keys/testing_rsa"
+DEFAULT_PRIVATE_KEY="${SRC_DIR}/ssh_keys/testing_rsa"
 
 # Flags
 DEFINE_string from "" "Directory with autotest tarball"