Upgrade deps and cleanup

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/package.json

@@ -52,11 +52,9 @@
     "vuedraggable": "2.23.2"
   },
   "devDependencies": {
-    "@types/chai": "^4.2.11",
     "@types/leaflet": "^1.5.2",
     "@types/leaflet.locatecontrol": "^0.60.7",
     "@types/lodash": "^4.14.141",
-    "@types/mocha": "^8.0.3",
     "@types/ngeohash": "^0.6.2",
     "@types/prosemirror-inputrules": "^1.0.2",
     "@types/prosemirror-model": "^1.7.2",
@@ -71,29 +69,25 @@
     "@vue/cli-plugin-pwa": "~4.5.8",
     "@vue/cli-plugin-router": "~4.5.8",
     "@vue/cli-plugin-typescript": "~4.5.8",
-    "@vue/cli-plugin-unit-mocha": "~4.5.8",
     "@vue/cli-service": "~4.5.8",
     "@vue/eslint-config-airbnb": "^5.0.2",
     "@vue/eslint-config-prettier": "^6.0.0",
     "@vue/eslint-config-typescript": "^7.0.0",
     "@vue/test-utils": "^1.1.0",
-    "chai": "^4.1.2",
     "eslint": "^7.7.0",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-prettier": "^3.1.3",
     "eslint-plugin-vue": "^7.0.0",
-    "graphql-cli": "^4.0.0",
-    "node-sass": "^4.12.0",
     "prettier": "2.1.2",
     "prettier-eslint": "^11.0.0",
+    "sass": "^1.29.0",
     "sass-loader": "^10.0.1",
     "typescript": "~4.0.2",
-    "vue-cli-plugin-styleguidist": "~4.33.6",
     "vue-cli-plugin-svg": "~0.1.3",
     "vue-i18n-extract": "^1.0.2",
     "vue-template-compiler": "^2.6.11",
-    "webpack-cli": "^3.3.11"
+    "webpack-cli": "^3.3"
   },
   "resolutions": {
     "prosemirror-model": "1.9.1",