fix: remove deprecated style option

Author: maxchang3

src/markdown-it/markmap.ts

@@ -57,7 +57,7 @@ export function markmap(md: MarkdownIt) {
         // parse frontmatter
         const { data: rawFrontmatter, content } = matter(_content)
         const frontmatter = parseFrontmatter(rawFrontmatter, content)
-        const { id, style, markmap, options } = frontmatter
+        const { id, markmap, options } = frontmatter
         const mergedOptions = {
             ...config.globalOptions,
             ...options,
@@ -73,9 +73,8 @@ export function markmap(md: MarkdownIt) {
             height,
             config.toolbar
         )
-        const styleHTML = `<style>${style}</style>`
 
-        return `${wrapHTML}\n${styleHTML}`
+        return wrapHTML
     }
 
     const defaultFenceRenderer = md.renderer.rules.fence

src/markdown-it/utils.ts

@@ -4,7 +4,6 @@ import { logger } from '@/shared'
 
 const frontmatterSchema = z.object({
     id: z.string().optional(),
-    style: z.string().optional().default(""),
     markmap: z.object({}).passthrough().optional().default({}),
     options: z.object({}).passthrough().optional().default({}),
 })