hooks.json: set default behavior to keep the existing graph

Wenzel · Wenzel · commit dcbf498a0c76 · 2019-07-07T14:05:13.000+02:00
diff --git a/hooks.json b/hooks.json
@@ -1,7 +1,7 @@
 {
     "configuration":
     {
-        "delete": true,
+        "delete": false,
         "desktop_ready_delay": 90
     },
     "hooks":
