Manually remove script.sh.

(I suspect this is cruft added by mistake).

script.sh

diff --git a/script.sh b/script.sh
deleted file mode 100644
index 9faa085..0000000
--- a/script.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-TESTS=(message_test message_factory_test descriptor_test proto_builder_test)
-for test in ${TESTS[@]}; do
-	python -m unittest -v google.protobuf.internal.${test}
-done