remove honcho in the dev environment (just use foregrounded supervisor)

using supervisor gives us the ability to restart entire processes on
code change (like the dispatcher and callback receiver)

tools/clusterdevel/bootstrap_minishift.sh

@@ -27,9 +27,4 @@ mkdir -p /awx_devel/awx/public/static
 mkdir -p /awx_devel/awx/ui/static
 
 cd /awx_devel
-# Start the services
-if [ -f "/awx_devel/tools/docker-compose/use_dev_supervisor.txt" ]; then
-    make supervisor
-else
-    honcho start -f "tools/docker-compose/Procfile"
-fi
+make supervisor