Revert "Introduce sfw"

This reverts commit 575f4af.

Author: mono0x

src/dot_config/mise/config.toml

@@ -3,7 +3,6 @@ node = "24"
 "npm:@anthropic-ai/claude-code" = "latest"
 "npm:@devcontainers/cli" = "latest"
 "npm:@openai/codex" = "latest"
-"npm:sfw" = "latest"
 python = "3.13"
 usage = "latest"
 uv = "latest"