Revert "feat(registry): the video-primitive moves, documented and customisable (#3090)" (#3162)

This reverts commit 3b53bfd2f7.

registry/components/fade-through/registry-item.json

@@ -1,57 +0,0 @@
-{
-  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
-  "name": "fade-through",
-  "type": "hyperframes:component",
-  "title": "Fade Through",
-  "description": "A calm transition primitive that fades one layer out, passes through a wash, and reveals the next layer",
-  "tags": ["motion-primitive", "transition", "fade", "scene"],
-  "files": [
-    {
-      "path": "fade-through.html",
-      "target": "compositions/components/fade-through.html",
-      "type": "hyperframes:snippet"
-    }
-  ],
-  "variables": [
-    {
-      "id": "wash",
-      "type": "enum",
-      "role": "style",
-      "label": "Wash",
-      "description": "Colour of the mid-transition frame. Paper resolves through --hf-fade-through-wash, accent rides --accent.",
-      "default": "paper",
-      "options": [
-        { "value": "paper", "label": "Paper" },
-        { "value": "white", "label": "White" },
-        { "value": "ink", "label": "Ink" },
-        { "value": "accent", "label": "Accent" }
-      ]
-    },
-    {
-      "id": "strength",
-      "type": "number",
-      "role": "style",
-      "label": "Strength",
-      "description": "How far the wash covers at its peak. 1 is a full flash, 0.3 a light veil.",
-      "default": 1,
-      "min": 0.1,
-      "max": 1,
-      "step": 0.05
-    },
-    {
-      "id": "shape",
-      "type": "enum",
-      "role": "style",
-      "label": "Shape",
-      "description": "Flat fills the frame evenly, bloom concentrates the wash in the centre.",
-      "default": "flat",
-      "options": [
-        { "value": "flat", "label": "Flat" },
-        { "value": "bloom", "label": "Bloom" }
-      ]
-    }
-  ],
-  "preview": {
-    "poster": "https://static.heygen.ai/hyperframes-oss/docs/images/catalog/components/fade-through.png"
-  }
-}