[Ultica] The humble t-shirt variants by terracotta

[hoasd1]

Summary

Adds 9 variants and replaces "t-shirt" sprite by terracotta

Content of the change

Items :

• black t-shirt
• cyan t-shirt
• pink t-shirt
• yellow t-shirt
• red t-shirt
• blue t-shirt
• brown t-shirt
• green t-shirt
• purple t-shirt

Overlay :

• black t-shirt
• cyan t-shirt
• pink t-shirt
• yellow t-shirt
• red t-shirt
• blue t-shirt
• brown t-shirt
• green t-shirt
• purple t-shirt

Replaced existing "t-shirt" sprites with new ones to match the added variants
Removed "clothes.json", "linux_t_shirt.json", "tshirt_f.json" and "tshirt_m.json" as they are no longer needed ( Tested )
Renamed "linux_t_shirt_f" and "linux_t_shirt_m" as they changed to be a variant of "t-shirt"

Testing

t-shirt comparison :
-------Before----------------After--------

-------Before----------------After--------

Additional information

There were orange t-shirts included but I removed them because they aren't made at the moment
Today, I learned that the famous open-source penguin is called "Tux"