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

This reverts commit 3b53bfd2f7.

registry/components/slit-scan-reveal/registry-item.json

@@ -1,76 +0,0 @@
-{
-  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
-  "name": "slit-scan-reveal",
-  "type": "hyperframes:component",
-  "title": "Slit Scan Reveal",
-  "description": "The frame's rows sample an authored subject at offset times: a canvas painter draws row slices of one pure position function evaluated at t minus offset(row), smearing arrival through time until the offsets collapse to zero and the mark holds coherent.",
-  "tags": ["motion-primitive", "time", "slit-scan", "canvas", "deterministic", "experiment"],
-  "jobs": ["reveal"],
-  "family": "time",
-  "profile": "time-smear",
-  "evidence": "Wave M4 experiment slate; classic slit-scan sampling implemented as a closed-form position function drawn in per-slice clips, offsets collapsing at the resolve cue",
-  "syncPoints": [{ "id": "resolved", "phase": "in", "offset": 2.8 }],
-  "files": [
-    {
-      "path": "slit-scan-reveal.html",
-      "target": "compositions/components/slit-scan-reveal.html",
-      "type": "hyperframes:snippet"
-    }
-  ],
-  "variables": [
-    {
-      "id": "axis",
-      "type": "enum",
-      "role": "style",
-      "label": "Axis",
-      "description": "rows smears arrival across horizontal slices; cols across vertical slices.",
-      "default": "rows",
-      "options": [
-        { "value": "rows", "label": "Rows" },
-        { "value": "cols", "label": "Columns" }
-      ]
-    },
-    {
-      "id": "spread",
-      "type": "number",
-      "role": "timing",
-      "label": "Spread",
-      "description": "Maximum sampling offset in seconds across the frame; larger smears further through time.",
-      "default": 0.45
-    },
-    {
-      "id": "resolve_at",
-      "type": "number",
-      "role": "timing",
-      "label": "Resolve at",
-      "description": "Seconds from mount start when the offsets start collapsing to zero. Clamped so the collapse and any exit stay inside the clip.",
-      "default": 2.2
-    },
-    {
-      "id": "accent",
-      "type": "enum",
-      "role": "style",
-      "label": "Accent",
-      "description": "Subject ring and orbit color: green rides --brand, blue rides --accent, violet rides --accent-2.",
-      "default": "green",
-      "options": [
-        { "value": "green", "label": "Green" },
-        { "value": "blue", "label": "Blue" },
-        { "value": "violet", "label": "Violet" }
-      ]
-    },
-    {
-      "id": "exit",
-      "type": "enum",
-      "role": "timing",
-      "label": "Exit",
-      "description": "Optional departure. Default none: the resolved mark holds until the frame cuts.",
-      "default": "none",
-      "options": [
-        { "value": "none", "label": "None" },
-        { "value": "fade", "label": "Fade" },
-        { "value": "up", "label": "Up" }
-      ]
-    }
-  ]
-}