refactor(server): remove dependency on codemirror project

apps/server/src/routes/api/options.ts

@@ -8,7 +8,6 @@ import type { Request } from "express";
 import { changeLanguage, getLocales } from "../../services/i18n.js";
 import { listSyntaxHighlightingThemes } from "../../services/code_block_theme.js";
 import type { OptionNames } from "@triliumnext/commons";
-import { ColorThemes } from "@triliumnext/codemirror";
 
 // options allowed to be updated directly in the Options dialog
 const ALLOWED_OPTIONS = new Set<OptionNames>([
@@ -195,13 +194,6 @@ function getSyntaxHighlightingThemes() {
     return listSyntaxHighlightingThemes();
 }
 
-function getCodeNoteThemes() {
-    return ColorThemes.map((theme) => ({
-        val: `default:${theme.id}`,
-        title: theme.name
-    }));
-}
-
 function getSupportedLocales() {
     return getLocales();
 }
@@ -219,6 +211,5 @@ export default {
     updateOptions,
     getUserThemes,
     getSyntaxHighlightingThemes,
-    getCodeNoteThemes,
     getSupportedLocales
 };