Minecraft wiki entry for Removed_blocks, associated text: 1 Existed in multiple editions
1.1 Locked chest
1.2 Shrub
2 Only existed in Java Edition
2.1 Old Colored Wool / Cloth
2.2 Gears
2.3 Water spawner
2.4 Lava spawner
2.5 Generic dead coral block
3 Only existed in Bedrock Edition
3.1 grass_carried
3.2 leaves_carried
4 References