remove cm5 plugins

Author: khanniie

package-lock.json

@@ -173,7 +173,6 @@
     "@codemirror/search": "^6.5.10",
     "@codemirror/state": "^6.5.2",
     "@codemirror/view": "^6.36.5",
-    "@emmetio/codemirror-plugin": "^1.2.4",
     "@emmetio/codemirror6-plugin": "^0.4.0",
     "@gatsbyjs/webpack-hot-middleware": "^2.25.3",
     "@pmmmwh/react-refresh-webpack-plugin": "^0.5.11",
@@ -192,7 +191,6 @@
     "classnames": "^2.3.1",
     "clipboard": "^1.7.1",
     "codemirror": "^6.0.1",
-    "codemirror-colorpicker": "^1.9.72",
     "connect-mongo": "^3.2.0",
     "console-feed": "^3.2.0",
     "cookie-parser": "^1.4.5",