cleanup js dependencies

package.json

@@ -5,11 +5,8 @@
   "author": "alexisben <alexis.benoit@noesya.coop>",
   "license": "MIT",
   "dependencies": {
-    "@popperjs/core": "^2.11.2",
     "@splidejs/splide": "^3.6.12",
     "glightbox": "^3.1.0",
-    "intersection-observer": "^0.12.0",
-    "js-cookie": "^3.0.1",
-    "normalize-scss": "^7.0.1"
+    "intersection-observer": "^0.12.0"
   }
 }