remove packages without references

package.json

@@ -3,52 +3,41 @@
   "version": "1.7.0",
   "private": true,
   "dependencies": {
-    "accept-language-parser": "1.5.0",
     "async": "3.2.3",
     "autoprefixer": "10.4.2",
     "awesomplete": "1.1.5",
     "body-parser": "1.19.1",
     "bootstrap-switch": "3.4.0",
     "bootstrap-validator": "0.11.9",
-    "chart.js": "3.7.1",
     "client-oauth2": "4.3.3",
     "connect-flash": "^0.1.1",
     "cors": "2.8.5",
-    "crypto-js": "4.1.1",
     "dotenv": "16.0.0",
     "express": "4.17.2",
     "express-session": "1.17.2",
     "express-validator": "6.14.0",
-    "fullcalendar": "5.10.2",
     "github-api": "3.4.0",
     "highcharts": "9.3.3",
     "html-ellipsis": "2.0.1",
     "json-api-models": "^0.1.0-beta.4",
-    "json2csv": "5.0.6",
     "moment": "2.29.1",
     "moment-timezone": "0.5.34",
     "passport": "0.5.2",
     "passport-openidconnect": "^0.1.1",
     "pug": "3.0.2",
     "request": "2.88.2",
     "showdown": "2.0.0-alpha",
-    "underscore": "1.13.2",
     "wpapi": "1.2.2"
   },
   "devDependencies": {
     "dart-sass": "^1.25.0",
-    "dart-sass-middleware": "^0.1.0",
     "grunt": "1.4.1",
     "grunt-cli": "1.4.3",
     "grunt-concurrent": "3.0.0",
     "grunt-contrib-compass": "1.1.1",
     "grunt-contrib-concat": "2.0.0",
     "grunt-contrib-jshint": "3.1.1",
-    "grunt-contrib-sass": "2.0.0",
     "grunt-contrib-uglify-es": "3.3.0",
-    "grunt-contrib-watch": "1.1.0",
-    "grunt-express-server": "0.5.4",
-    "grunt-nodemon": "0.4.2",
     "grunt-postcss": "0.9.0",
     "grunt-sass": "3.1.0",
     "jshint-stylish": "2.2.1",

yarn.lock

@@ -40,11 +40,6 @@ abbrev@1:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
 
-accept-language-parser@1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/accept-language-parser/-/accept-language-parser-1.5.0.tgz#8877c54040a8dcb59e0a07d9c1fde42298334791"
-  integrity sha1-iHfFQECo3LWeCgfZwf3kIpgzR5E=
-
 accepts@~1.3.7:
   version "1.3.8"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.8.tgz#0bf0be125b67014adcb0b0921e62db7bffe16b2e"
@@ -703,11 +698,6 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^6.1.0:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-6.2.1.tgz#0792eb682dfbc325999bb2b84fddddba110ac73c"
-  integrity sha512-U7VdrJFnJgo4xjrHpTzu0yrHPGImdsmD95ZlgYSEajAn2JKzDhDTPG9kBTefmObL2w/ngeZnilk+OV9CG3d7UA==
-
 commander@~2.13.0:
   version "2.13.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
@@ -2477,20 +2467,6 @@ json-stringify-safe@~5.0.1:
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
   integrity sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=
 
-json2csv@5.0.6:
-  version "5.0.6"
-  resolved "https://registry.yarnpkg.com/json2csv/-/json2csv-5.0.6.tgz#590e0e1b9579e59baa53bda0c0d840f4d8009687"
-  integrity sha512-0/4Lv6IenJV0qj2oBdgPIAmFiKKnh8qh7bmLFJ+/ZZHLjSeiL3fKKGX3UryvKPbxFbhV+JcYo9KUC19GJ/Z/4A==
-  dependencies:
-    commander "^6.1.0"
-    jsonparse "^1.3.1"
-    lodash.get "^4.4.2"
-
-jsonparse@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
-  integrity sha1-P02uSpH6wxX3EGL4UhzCOfE2YoA=
-
 jsprim@^1.2.2:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.2.tgz#712c65533a15c878ba59e9ed5f0e26d5b77c5feb"
@@ -2606,11 +2582,6 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash.get@^4.4.2:
-  version "4.4.2"
-  resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
-  integrity sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=
-
 lodash@4.17.21, lodash@^4.17.10, lodash@^4.17.14, lodash@^4.17.21, lodash@~4.17.10, lodash@~4.17.19, lodash@~4.17.21:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"