config.json in trackler-2.0.6.29

- old
+ new

@@ -144,10 +144,9 @@
     },
     {
       "slug": "secret-handshake",
       "difficulty": 3,
       "topics": [
-        "instance custom"
       ]
     },
     {
       "slug": "anagram",
       "difficulty": 4,