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

This reverts commit 3b53bfd2f7.

registry/components/headline-slam/registry-item.json

@@ -1,60 +0,0 @@
-{
-  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
-  "name": "headline-slam",
-  "type": "hyperframes:component",
-  "title": "Headline Slam",
-  "description": "A heavyweight headline scales down into frame, lands with a deterministic three-frame shake, holds with subtle drift, and whips upward on exit.",
-  "tags": ["motion-primitive", "typography", "headline", "slam", "impact", "exit"],
-  "jobs": ["emphasize"],
-  "family": "typography",
-  "profile": "impact",
-  "evidence": "Wave F U3 headline-slam specification",
-  "syncPoints": [{ "id": "impact", "phase": "in", "offset": 0.58 }],
-  "files": [
-    {
-      "path": "headline-slam.html",
-      "target": "compositions/components/headline-slam.html",
-      "type": "hyperframes:snippet"
-    }
-  ],
-  "variables": [
-    {
-      "id": "text",
-      "type": "string",
-      "role": "content",
-      "label": "Headline",
-      "description": "Text displayed as the headline.",
-      "default": "Ship it today"
-    },
-    {
-      "id": "accent_word_index",
-      "type": "number",
-      "role": "content",
-      "label": "Accent word index",
-      "description": "Zero-based word index to color. Out of range leaves the headline unaccented.",
-      "default": 1,
-      "step": 1
-    },
-    {
-      "id": "accent",
-      "type": "enum",
-      "role": "style",
-      "label": "Accent",
-      "description": "Color applied to the selected word.",
-      "default": "green",
-      "options": [
-        { "value": "green", "label": "Green" },
-        { "value": "blue", "label": "Blue" },
-        { "value": "violet", "label": "Violet" }
-      ]
-    },
-    {
-      "id": "shadow",
-      "type": "boolean",
-      "role": "style",
-      "label": "Shadow",
-      "description": "Drop shadow cast under the headline. On by default; set false for a flat matte look.",
-      "default": true
-    }
-  ]
-}