Remove underscore from Pinata

Relates-to: #180

Author: PurpleBooth

db/emoji.json

@@ -13396,7 +13396,7 @@
   , "description": "piñata"
   , "category": "Activities"
   , "aliases": [
-      "pi_ata"
+      "pinata"
     ]
   , "tags": [
     ]