Cleaning the codebase a tiny bit

package.json

@@ -27,14 +27,10 @@
   "dependencies": {
     "@codemirror/autocomplete": "^6.19.0",
     "@codemirror/commands": "^6.9.0",
-    "@codemirror/lang-css": "^6.3.1",
-    "@codemirror/lang-html": "^6.4.11",
-    "@codemirror/lang-javascript": "^6.2.4",
     "@codemirror/language": "^6.11.3",
     "@codemirror/lint": "^6.9.0",
     "@codemirror/search": "^6.5.11",
     "@codemirror/state": "^6.5.2",
-    "@codemirror/theme-one-dark": "^6.1.3",
     "@codemirror/view": "^6.38.6",
     "@csound/browser": "7.0.0-beta11",
     "@hlolli/codemirror-lang-csound": "1.0.0-alpha10",