drop /usr/lib/crostestutils/constants.py install

Nothing seems to use this module from this path, so stop installing it.

BUG=None
TEST=precq passes

Change-Id: I10e38725e2354ddbb79f45603488a0247918e484
Reviewed-on: https://chromium-review.googlesource.com/1278109
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
diff --git a/Makefile b/Makefile
index 985d8f0..34f6d87 100644
--- a/Makefile
+++ b/Makefile
@@ -9,8 +9,6 @@
 
 install:
 	mkdir -p "${DESTDIR}/usr/bin"
-	mkdir -p "${DESTDIR}/usr/lib/crostestutils"
-	install -m 0644 lib/constants.py "${DESTDIR}/usr/lib/crostestutils"
 	install -m 0755 cros_run_bvt "${DESTDIR}/usr/bin"
 	install -m 0755 test_that ${DESTDIR}/usr/bin
 	install -m 0755 bootperf-wrapper ${DESTDIR}/usr/bin/bootperf