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

This reverts commit 3b53bfd2f7.

registry/blocks/split-flap-board/registry-item.json

@@ -1,65 +0,0 @@
-{
-  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
-  "name": "split-flap-board",
-  "type": "hyperframes:block",
-  "title": "Split-Flap Board",
-  "description": "Solari-style departure board: every cell walks its drum forward through the intervening characters of a fixed alphabet until it lands on its target, so the text resolves as a mechanical cascade instead of a fade.",
-  "dimensions": {
-    "width": 1920,
-    "height": 1080
-  },
-  "duration": 3.5,
-  "tags": ["text", "kinetic", "mechanical", "split-flap", "solari", "departure-board", "reveal"],
-  "variables": [
-    {
-      "id": "boardText",
-      "type": "string",
-      "label": "Board text",
-      "default": "NOW BOARDING",
-      "maxLength": 24
-    },
-    {
-      "id": "flapAlphabet",
-      "type": "string",
-      "label": "Flap alphabet (drum order)",
-      "default": " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,'",
-      "maxLength": 64
-    },
-    {
-      "id": "flipDuration",
-      "type": "number",
-      "label": "Seconds per flap",
-      "default": 0.09,
-      "min": 0.03,
-      "max": 1.2,
-      "step": 0.01,
-      "unit": "s"
-    },
-    {
-      "id": "cellStagger",
-      "type": "number",
-      "label": "Per-cell start stagger",
-      "default": 0.05,
-      "min": 0,
-      "max": 0.5,
-      "step": 0.01,
-      "unit": "s"
-    },
-    {
-      "id": "cellCount",
-      "type": "number",
-      "label": "Cells on the board",
-      "default": 12,
-      "min": 1,
-      "max": 24,
-      "step": 1
-    }
-  ],
-  "files": [
-    {
-      "path": "split-flap-board.html",
-      "target": "compositions/split-flap-board.html",
-      "type": "hyperframes:composition"
-    }
-  ]
-}