Revert "feat(pointcloud): Hollywood face fx — webcam texture, wireframe, scan line"

This reverts commit 347ad4bb11.

.github/workflows/pointcloud-pages.yml

@@ -40,7 +40,7 @@ jobs:
 
           Hosted at: https://ruvnet.github.io/RuView/pointcloud/
 
-          ## Transport modes
+          ## Modes
 
           - Default — synthetic in-browser demo (no backend, no network calls).
           - `?backend=auto` — fetch from `/api/splats` on the same origin
@@ -50,15 +50,6 @@ jobs:
           - `?live=1` — require a live backend; show an offline message instead
             of falling back to the synthetic demo.
 
-          ## Effect flags (face-mesh mode)
-
-          Comma-separated. Defaults to `all`.
-
-          - `?fx=all` — texture + mesh + scan + halo (cinematic default).
-          - `?fx=clean` — webcam-sampled colors only, no overlays.
-          - `?fx=points` — solid amber points, no extras (lightest mode).
-          - `?fx=texture,mesh,scan,halo` — pick individual effects.
-
           See ADR-094 for the deployment design.
           EOF