update drone.yml

drone.yml

     #custom_dns:
     #storage_driver: aufs # aufs, overlay or vfs
 
-    debug: true
-    launch_debug: true
-    target: production # build target from dockerfile, e.g. production, debug
+    #debug: true
+    #launch_debug: true
+    #target: production # build target from dockerfile, e.g. production, debug
     dockerfile: Dockerfile
 
     auto_tag: false