Model Optimizations & Fixes

Note: lite version is now in Files.

• Correction Spawner and Vault UV (now mirrored from back).
• Remove (Redstone) Torch, Dragon Egg, Small Dripleaves, Comparator, Repeater. Mojang Studios fix them in 1.21.2.
• Remove lectern because it basically affects nothing.
• Modify the button in inventory model to match vanilla style.
• Move Shadeless Lantern to Full version.
• Fix errors with RespackOpts (tested in 1.21.3).
• Format some files with Blockbench.