Remove marketing-videos Remotion project

The standalone Remotion video project is no longer needed in this repo.
Also updates local Claude Code settings with additional tool permissions.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

marketing-videos/.gitignore

@@ -1,16 +0,0 @@
-# Dependencies
-node_modules/
-
-# Build output
-dist/
-out/
-
-# Remotion cache
-.remotion/
-
-# Environment
-.env
-.env.local
-
-# OS files
-.DS_Store