docs: remove out of date admonition (#2114)

Lumen Yang

2025-09-05 a4028289aae22f2a073b2837c3a85d9fc4a86087

 quartz/plugins/transformers/index.ts

@@ -10,3 +10,4 @@
export { SyntaxHighlighting } from "./syntax"
export { TableOfContents } from "./toc"
export { HardLineBreaks } from "./linebreaks"
export { RoamFlavoredMarkdown } from "./roam"