Nginx ctl file uses `kill` instead of `kill -9` and waits for process to exit
Nginx ctl file uses `kill` instead of `kill -9` and waits for process to exit

* hopefully fixes nginx restart issues in ci [#103544564]

Signed-off-by: Aram Price <8ebc8cee214799c40f250de4f2c0833d60970d0f@pivotal.io>

pivotal-cf-experimental/ops-manager-example,pivotal-cf-experimental/ops-manager-example,pivotal-cf-experimental/ops-manager-example,pivotal-cf-experimental/ops-manager-example