[DISCONTINUED] Slow Your Bronze

• Tin nuggets!
• Now follows SYR crafting style as well as possible
• Armor crafting recipe uses chainmail again
• Obtaining tin now requires an iron pickaxe
• Bronze horse armor is craftable

Cleaned up unused files

New item sprite, new mod icon, and new internal mod ID!

Made armor recipes require iron equipment to enforce "Iron -> Bronze" progression

Updated plate texture and mod icon