Update hornstromp-metadata.json

Author: charlesisfeline

assets/preload/data/songs/hornstromp/hornstromp-metadata.json

@@ -17,7 +17,7 @@
     "characters": {
       "player": "bf-kit",
       "girlfriend": "gf",
-      "opponent": "mika-allstars",
+      "opponent": "mika",
       "instrumental": "",
       "altInstrumentals": [],
       "opponentVocals": ["mika"],