feat(D-01/B): 47 data-driven item definitions + cleanup test files

16 binds: ropes, armbinder, dogbinder, chain, ribbon, slime, vine_seed,
  web_bind, shibari, leather_straps, medical_straps, beam_cuffs,
  duct_tape, straitjacket, wrap, latex_sack

19 gags: cloth_gag, ropes_gag, cleave_gag, ribbon_gag, ball_gag,
  ball_gag_strap, tape_gag, wrap_gag, slime_gag, vine_gag, web_gag,
  panel_gag, beam_panel_gag, chain_panel_gag, latex_gag, tube_gag,
  bite_gag, sponge_gag, baguette_gag

2 blindfolds, 1 earplugs, 1 mittens
5 collars (classic, shock, shock_auto, gps, choke) with ownership component
3 combos (hood, medical_gag, ball_gag_3d)

All items config-driven via ResistanceComponent (id) and GaggingComponent
(material). Organic items have can_attach_padlock: false.

Removed 4 test files (test_component_gag, test_handcuffs, test_leg_cuffs).

src/main/resources/assets/tiedup/tiedup_items/classic_collar.json

@@ -0,0 +1,24 @@
+{
+  "type": "tiedup:bondage_item",
+  "regions": [
+    "NECK"
+  ],
+  "pose_priority": 5,
+  "escape_difficulty": 80,
+  "lockable": true,
+  "animation_bones": {
+    "idle": [
+      "body"
+    ]
+  },
+  "display_name": "Classic Collar",
+  "translation_key": "item.tiedup.classic_collar",
+  "model": "tiedup:models/gltf/v2/collars/classic_collar.glb",
+  "components": {
+    "ownership": {},
+    "lockable": {},
+    "resistance": {
+      "id": "collar"
+    }
+  }
+}