Fixing backgrounds.yml for MidgarT

Author: Sophilautia

src/data/backgrounds.yml

@@ -101,19 +101,15 @@
   name: Midgar Transit
   download:
   - https://drive.google.com/uc?export=download&id=1ybfzaoInb5bTzJG5NzG4Z5X5w55S3PmG
-  map: J-E-N-O-V-A.70
-  targetMet: Advent_One-Winged_Angel.70
-  promotionMario: fanfare.80
-  promotionDragonQuest: fanfare.80
-  promotionMii: fanfare.80
-  auction: MidgarTAuction.70
-  ventureCards: MidgarTVenture.70
-  stock: MidgarTStock.70
-  guestAppear:
-  guestLeave:
-  badVentureCard:
-  win:
-  bankruptcy:
+  music:
+    map: J-E-N-O-V-A.70
+    targetMet: Advent_One-Winged_Angel.70
+    promotionMario: fanfare.80
+    promotionDragonQuest: fanfare.80
+    promotionMii: fanfare.80
+    auction: MidgarTAuction.70
+    ventureCards: MidgarTVenture.70
+    stock: MidgarTStock.70
 - background: forestFairies
   name: Forest of Fairies
   download: