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

This reverts commit 3b53bfd2f7.

registry/components/camera-scan-gate/registry-item.json

@@ -1,53 +0,0 @@
-{
-  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
-  "name": "camera-scan-gate",
-  "type": "hyperframes:component",
-  "title": "Camera Scan Gate",
-  "description": "A camera and QR recognition moment with a viewfinder sweep, bracket lock, confirmation pulse, and verified next beat.",
-  "tags": ["prop", "ui-props", "camera", "qr", "scan", "recognition", "interaction", "demonstrate"],
-  "jobs": ["demonstrate"],
-  "family": "ui-props",
-  "profile": "interaction",
-  "evidence": "SIM fixture; MOBILE mobile-inventory",
-  "syncPoints": [
-    { "id": "scan-landed", "phase": "in", "offset": 0.5 },
-    { "id": "recognition-lock", "phase": "in", "offset": 0.68 }
-  ],
-  "files": [
-    {
-      "path": "camera-scan-gate.html",
-      "target": "compositions/components/camera-scan-gate.html",
-      "type": "hyperframes:snippet"
-    }
-  ],
-  "variables": [
-    {
-      "id": "scanColor",
-      "type": "string",
-      "role": "style",
-      "label": "Scan color",
-      "description": "Any CSS color value used by the scan line and recognition glow.",
-      "default": "var(--brand)"
-    },
-    {
-      "id": "targetLabel",
-      "type": "string",
-      "role": "content",
-      "label": "Target label",
-      "description": "Confirmation label revealed at recognition lock. Blank hides the line.",
-      "default": "Verified"
-    },
-    {
-      "id": "sweepSpeed",
-      "type": "number",
-      "role": "timing",
-      "label": "Sweep speed",
-      "description": "Speed multiplier for the scan sweep phase only.",
-      "default": 1,
-      "min": 0.8,
-      "max": 1.6,
-      "step": 0.1,
-      "unit": "x"
-    }
-  ]
-}