Remove snapshot update flag from Playwright test command

package.json

@@ -10,7 +10,7 @@
     "version": "changeset version",
     "publish": "changeset publish",
     "playwright": "pnpm run build && pnpm run vt",
-    "vt": "playwright test tests --update-snapshots",
+    "vt": "playwright test tests",
     "reformat-mdx": "node build/reformat-mdx.mjs",
     "start": "pnpm dev"
   },