Make generic playground equipment searchable (#2138)

Author: matkoniecz

data/presets/_playground.json data/presets/playground.jsondata/presets/_playground.json renamed to data/presets/playground.json

@@ -25,6 +25,5 @@
     "tags": {
         "playground": "*"
     },
-    "searchable": false,
     "name": "Playground Equipment"
 }