Improved Default Textures Pack

Updated Pack to 1.21

• Gave Stone Bricks, Deepslate Bricks, Blackstone Bricks, Endstone Bricks, and Quarts Bricks new shading based on tuff bricks
• Added a new texture for Suspicious Sand to match my sand textures
• Gave Bamboo Planks color variation textures
• Removed items off fletching table side textures to allow more aesthetical uses (because it has no function still)
• Gave Fletching tables a proper bottom texture
• Made polished tuff have borderless textures (for the original pack)
• Gave polished tuff Connected Textures
• Updated Infested Block Textures
• Updated Dark Prismarine Bricks
• Updated Ore Textures
• Updated Granite and Diorite Textures
• Updated a few mob textures
• Updated many other older textures