Remove build container after run

Keeping these containers around indefinitely uses up too much disk
space. We already have the logs in github and we rarely if ever need the
container around for any purpose like debugging.

Author: ScottG489

build.sh

@@ -20,7 +20,7 @@ EOM
 
 curl -v -sS -w '\n%{http_code}' \
   --data-binary "$JSON_BODY" \
-  "https://api.conjob.io/job/run?image=$IMAGE_NAME" \
+  "https://api.conjob.io/job/run?image=$IMAGE_NAME&remove=true" \
   | tee /tmp/foo \
   | sed '$d' && \
   [ "$(tail -1 /tmp/foo)" -eq 200 ]