milestone 23 s3: remove tailwind, replace its preflight with an explicit reset

src/licenses_drift_test.zig

@@ -47,7 +47,7 @@ const licenses = @import("licenses_files");
 /// rolldown for the CommonJS interop helpers it prepends to any chunk pulling in
 /// a CommonJS module. Every other devDependency left `web/dist` untouched.
 /// Anything added here must also be inventoried.
-const npm_generators = [_][]const u8{ "rolldown", "tailwindcss", "vite" };
+const npm_generators = [_][]const u8{ "rolldown", "vite" };
 
 /// Packages of the recorded runtime closure that put no byte in `web/dist`, so
 /// the inventory names them in a note rather than carrying their licence. The
@@ -87,7 +87,6 @@ const required_components = [_][]const u8{
     "p256-m",
     "React",
     "TanStack",
-    "Tailwind",
     "Vite",
     "Rolldown",
     "Mozilla CA certificate bundle",