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

This reverts commit 3b53bfd2f7.

registry/components/cut-the-curve/registry-item.json

@@ -1,85 +0,0 @@
-{
-  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
-  "name": "cut-the-curve",
-  "type": "hyperframes:component",
-  "title": "Cut the Curve",
-  "description": "A velocity-matched directional hard cut: the outgoing subject accelerates with power4.in, swaps at peak velocity, and the incoming subject continues in the same direction with power4.out.",
-  "tags": ["transition", "directional-cut", "velocity-match", "whip", "bridge", "demonstrate"],
-  "jobs": ["bridge", "demonstrate"],
-  "family": "transitions",
-  "profile": "transition",
-  "evidence": "launches-cut-the-curve.md; production motion census establishes the power4.in to power4.out whip, matched direction, seam blur, and canonical 1:2 split",
-  "syncPoints": [{ "id": "cut", "phase": "out", "offset": 0.33 }],
-  "files": [
-    {
-      "path": "cut-the-curve.html",
-      "target": "compositions/components/cut-the-curve.html",
-      "type": "hyperframes:snippet"
-    }
-  ],
-  "variables": [
-    {
-      "id": "subject",
-      "type": "enum",
-      "role": "content",
-      "label": "Subject",
-      "description": "Visual payload used on both sides of the cut.",
-      "default": "cursor",
-      "options": [
-        { "value": "cursor", "label": "Cursor" },
-        { "value": "card", "label": "Card" },
-        { "value": "scene", "label": "Scene" }
-      ]
-    },
-    {
-      "id": "direction",
-      "type": "enum",
-      "role": "motion",
-      "label": "Direction",
-      "description": "Shared screen direction for outgoing and incoming travel.",
-      "default": "left",
-      "options": [
-        { "value": "left", "label": "Left" },
-        { "value": "right", "label": "Right" },
-        { "value": "up", "label": "Up" },
-        { "value": "down", "label": "Down" }
-      ]
-    },
-    {
-      "id": "cutFraction",
-      "type": "number",
-      "role": "timing",
-      "label": "Cut fraction",
-      "description": "Normalized point where the hard cut swaps subjects.",
-      "default": 0.33,
-      "min": 0,
-      "max": 1,
-      "step": 0.01
-    },
-    {
-      "id": "blurPx",
-      "type": "number",
-      "role": "style",
-      "label": "Cut blur",
-      "description": "Blur in pixels shared by both subjects at the cut seam.",
-      "default": 12,
-      "min": 0,
-      "max": 40,
-      "step": 1,
-      "unit": "px"
-    },
-    {
-      "id": "exit",
-      "type": "enum",
-      "role": "timing",
-      "label": "Exit",
-      "description": "Optional departure of the incoming subject. Default none: it rests until the frame cuts.",
-      "default": "none",
-      "options": [
-        { "value": "none", "label": "None" },
-        { "value": "fade", "label": "Fade" },
-        { "value": "up", "label": "Up" }
-      ]
-    }
-  ]
-}