remove postcss from running command

reflex/constants/style.py

@@ -14,5 +14,3 @@ class Tailwind(SimpleNamespace):
     CONTENT = ["./pages/**/*.{js,ts,jsx,tsx}", "./utils/**/*.{js,ts,jsx,tsx}"]
     # Relative tailwind style path to root stylesheet in Dirs.STYLES.
     ROOT_STYLE_PATH = "./tailwind.css"
-    # Builtin dependencies
-    DEPENDENCIES = ("@tailwindcss/postcss",)

reflex/utils/prerequisites.py

@@ -1204,7 +1204,6 @@ def install_frontend_packages(packages: set[str], config: Config):
                 "add",
                 "-d",
                 constants.Tailwind.VERSION,
-                *constants.Tailwind.DEPENDENCIES,
                 *((config.tailwind or {}).get("plugins", [])),
             ],
             fallback=fallback_command,