chore(editor): remove converting markdown

package.json

@@ -97,11 +97,9 @@
     "blurhash": "2.0.5",
     "bulma-css-variables": "0.9.33",
     "camel-case": "4.1.2",
-    "codemirror": "5.65.15",
     "date-fns": "2.30.0",
     "dayjs": "1.11.10",
     "dompurify": "3.0.6",
-    "easymde": "2.18.0",
     "fast-deep-equal": "3.1.3",
     "flatpickr": "4.6.13",
     "flexsearch": "0.7.31",
@@ -111,7 +109,6 @@
     "klona": "2.0.6",
     "lodash.debounce": "4.0.8",
     "lowlight": "2.7.0",
-    "marked": "9.1.2",
     "pinia": "2.1.7",
     "register-service-worker": "1.7.2",
     "snake-case": "3.0.4",