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/docker-compose/start_development.sh

@@ -5,9 +5,4 @@ set +x
 
 cd /awx_devel
 # Start the services
-if [ -f "/awx_devel/tools/docker-compose/use_dev_supervisor.txt" ]; then
-    make supervisor
-else
-    export PYTHONIOENCODING=utf_8
-    honcho start -f "tools/docker-compose/Procfile"
-fi
+make supervisor