ctest: drop

All callers should invoke this directly out of crostestutils.

BUG=None
TEST=precq passes
CQ-DEPEND=CL:1498120

Change-Id: I4f85acb7d5bb0b734aa4a3d354cd04a4ac512f82
Reviewed-on: https://chromium-review.googlesource.com/1498118
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
diff --git a/bin/ctest b/bin/ctest
deleted file mode 120000
index cb76d89..0000000
--- a/bin/ctest
+++ /dev/null
@@ -1 +0,0 @@
-../../platform/crostestutils/ctest/ctest.py
\ No newline at end of file