remove bower and fixed modernizr dependency

package.json

@@ -2,8 +2,6 @@
   "name": "phraseanet",
   "version": "4.0.0",
   "devDependencies": {
-    "bower": "^1.6.5",
-    "bower-files": "^3.11.3",
     "browser-sync": "^2.10.0",
     "chai": "^1.6.1",
     "del": "^2.1.0",
@@ -65,9 +63,9 @@
     "jquery-ui-dist": "^1.12.1",
     "jquery.cookie": "^1.4.1",
     "jquery.fancytree": "^2.27.0",
-    "modernizr": "^3.0.0",
     "normalize-css": "^2.1.0",
     "npm": "^5.6.0",
+    "npm-modernizr": "^2.8.3",
     "phraseanet-production-client": "^0.32.3",
     "requirejs": "^2.1.22",
     "tinymce": "^4.0.28",