openvidu-browser: Moved types to devDependencies

openvidu-browser/package.json

@@ -1,8 +1,6 @@
 {
     "author": "OpenVidu",
     "dependencies": {
-        "@types/node": "14.14.7",
-        "@types/platform": "1.3.3",
         "freeice": "2.2.2",
         "hark": "1.2.3",
         "platform": "1.3.6",
@@ -11,6 +9,8 @@
     },
     "description": "OpenVidu Browser",
     "devDependencies": {
+        "@types/node": "14.14.7",
+        "@types/platform": "1.3.3",
         "browserify": "17.0.0",
         "grunt": "1.3.0",
         "grunt-cli": "1.3.2",