Change number of assets from 100 to 30

Author: eq19

user_data/config_examples/config_pairlist.example.json

@@ -4,7 +4,7 @@
       "method": "VolumePairList",
       "sort_key": "quoteVolume",
       "refresh_period": 3600,
-      "number_assets": 100
+      "number_assets": 30
     },
     {
       "method": "AgeFilter",