Itemless Item Frames

While the RP format only aligns with versions between and including 1.21.4-pre1 and 1.21.4 it should still work on most other versions too as it is a very small pack where very specific changes to the pack format is needed for it to break.

46 in 0.1.46 stands for Resource Pack Format 46

This is updated to pack format 46 (1.21.4) to support the latest version of Minecraft.