Simple Music Discs

Added 5 New Music Discs:

C418 - Ki | Obtainable in Nether Fortresses Chest And If a Skeleton Shoots and Kills a Blaze
C418 - Battle (Battlemode 1) | Obtainable in an End City Chest
Gareth Coker - Tumble (Time is of the Essence) | Obtainable in an End City Chest
Gareth Coker - Glide | Obtainable in an End City Chest
Jukio Kallio - Infinite Spooky Amethyst | Obtainable when a Skeleton Shoots and Kills a Creeper [FOR NOW]

Removed (Disabled) Cottage and Big Ol' Tree from Spawning (They still can be placed with /place command)

Changes to Disc Optaining:

C418 - Équinoxe | Can now be found in Village Plains House Chest
C418 - Excuse | Can now be found in Village Plains House Chest
Shauny Jang - Earth | Can now be found in Village Plains House Chest
Shauny Jang - Sprouting | Can now be found in Village Plains House Chest
C418 - Kyoto | Can now be found in Nether Fortresses Chest And If a Skeleton Shoots and Kills a Blaze
C418 - Flake | Can now be found in Nether Fortresses Chest And If a Skeleton Shoots and Kills a Blaze
C418 & Protostar - Aria Math (Protostar Remix) | Can now be found in Nether Fortresses Chest And If a Skeleton Shoots and Kills a Blaze