cros_generate_update_payload: Remove 3 year old 'temp' symlinks.

When these two scripts were moved 3 years ago, symlinks were left in place
to ensure nothing broke. Remove them now, and watch things break. ;>

BUG=None
TEST=build_packages + build_image + cros flash.
CQ-DEPEND=CL:209406

Change-Id: Icee5b26decf4a7fec9155a485d2b80c3682975e3
Reviewed-on: https://chromium-review.googlesource.com/209455
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Reviewed-by: Yu-Ju Hong <yjhong@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: Don Garrett <dgarrett@chromium.org>
diff --git a/cros_generate_stateful_update_payload b/cros_generate_stateful_update_payload
deleted file mode 120000
index da8af2c..0000000
--- a/cros_generate_stateful_update_payload
+++ /dev/null
@@ -1 +0,0 @@
-host/cros_generate_stateful_update_payload
\ No newline at end of file
diff --git a/cros_generate_update_payload b/cros_generate_update_payload
deleted file mode 120000
index c8e3d87..0000000
--- a/cros_generate_update_payload
+++ /dev/null
@@ -1 +0,0 @@
-host/cros_generate_update_payload
\ No newline at end of file