remove svg copy as not very used

src/hooks/useMarkdown.hook.ts

@@ -8,7 +8,6 @@ import markdownItCheckbox from 'markdown-it-checkbox'
 import markdownItFootnote from 'markdown-it-footnote'
 import markdownItIframe from 'markdown-it-iframe'
 import markdownItLatex from 'markdown-it-latex'
-import markdownItSvgCodeCopy from 'markdown-it-svg-code-copy'
 
 const md = new MarkdownIt({
   typographer: true,
@@ -31,14 +30,6 @@ const md = new MarkdownIt({
   })
   .use(twitterPlugin)
   .use(markdownItCheckbox)
-  .use(markdownItSvgCodeCopy, {
-    svg: `<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-copy" width="36" height="36" viewBox="0 0 24 24" stroke-width="1.5" stroke="#2c3a47" fill="none" stroke-linecap="round" stroke-linejoin="round">
-  <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
-  <rect x="8" y="8" width="10" height="10" rx="2" />
-  <path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2" />
-</svg>`,
-    buttonClass: 'button is-light'
-  })
   .use(markdownItFootnote)
   .use(markdownItLatex)
   .use(markdownItIframe, {