[ci skip] no need to ever import non-library files ever again (#12765)

Author: Machine-Maker

build-data/dev-imports.txt

@@ -5,10 +5,3 @@
 #     authlib com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
 #     datafixerupper com.mojang.datafixers.DataFixerBuilder
 #     datafixerupper com/mojang/datafixers/util/Either.java
-# To import classes from the vanilla Minecraft jar use `minecraft` as the artifactId:
-#     minecraft net.minecraft.world.level.entity.LevelEntityGetterAdapter
-#     minecraft net/minecraft/world/level/entity/LevelEntityGetter.java
-# To import minecraft data files, like the default chat type, use `mc_data` as the prefix:
-#     mc_data chat_type/chat.json
-#     mc_data dimension_type/overworld.json
-#