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

This reverts commit 3b53bfd2f7.

registry/components/focus-rack/registry-item.json

@@ -1,50 +0,0 @@
-{
-  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
-  "name": "focus-rack",
-  "type": "hyperframes:component",
-  "title": "Focus Rack",
-  "description": "Focus shifts once between two cards at different apparent depths through synchronized blur, dimming, scale, and parallax.",
-  "tags": ["motion-primitive", "camera", "focus", "focus-rack", "depth", "parallax", "emphasize"],
-  "jobs": ["emphasize"],
-  "family": "camera",
-  "profile": "holdable",
-  "evidence": "Wave G U17 focus-rack specification",
-  "files": [
-    {
-      "path": "focus-rack.html",
-      "target": "compositions/components/focus-rack.html",
-      "type": "hyperframes:snippet"
-    }
-  ],
-  "variables": [
-    {
-      "id": "label_a",
-      "type": "string",
-      "role": "content",
-      "label": "Card A label",
-      "description": "Label on the card that begins in focus.",
-      "default": "Draft"
-    },
-    {
-      "id": "label_b",
-      "type": "string",
-      "role": "content",
-      "label": "Card B label",
-      "description": "Label on the card that receives focus.",
-      "default": "Published"
-    },
-    {
-      "id": "accent",
-      "type": "enum",
-      "role": "style",
-      "label": "Accent",
-      "description": "Highlight color shared by both cards.",
-      "default": "blue",
-      "options": [
-        { "value": "green", "label": "Green" },
-        { "value": "blue", "label": "Blue" },
-        { "value": "violet", "label": "Violet" }
-      ]
-    }
-  ]
-}