render all block entities from the dumped vanilla models with decompiled renderer poses, drop the cem block-entity path

tools/update-cem-models.sh

@@ -4,9 +4,9 @@
 # Source: the CEM Template Loader data (Ewan Howell / wynem) — vanilla Java entity models as JSON,
 # already correctly posed. These ultimately mirror Mojang's hardcoded Java EntityModel classes.
 #
-# NOTE: this set is now only the FALLBACK (rest-pose geometry) + the block-entity models (chests, signs,
-# heads, banners, armor_layer_*). Mob models come from the vanilla client dump — regenerate that with
-# tools/update-vanilla-models.sh <version> on every Minecraft update.
+# NOTE: this set is now only the FALLBACK (rest-pose geometry) for entity types missing from the vanilla
+# client dump (+ the elytra fallback). Mob AND block-entity models come from that dump — regenerate it
+# with tools/update-vanilla-models.sh <version> on every Minecraft update.
 #
 # Usage:  tools/update-cem-models.sh           # update if newer
 #         tools/update-cem-models.sh --force   # always overwrite