Adagio: Remove max length on params (#4263)

Author: And1sS

src/main/resources/static/bidder-params/adagio.json

@@ -10,23 +10,19 @@
     },
     "placement": {
       "type": "string",
-      "description": "Refers to the placement of an adunit in a page. Must not contain any information about the type of device.",
-      "maxLength": 30
+      "description": "Refers to the placement of an adunit in a page. Must not contain any information about the type of device."
     },
     "site": {
       "type": "string",
-      "description": "Name of the site. Handed out by Adagio.",
-      "maxLength": 50
+      "description": "Name of the site. Handed out by Adagio."
     },
     "pagetype": {
       "type": "string",
-      "description": "Describes what kind of content will be present in the page.",
-      "maxLength": 30
+      "description": "Describes what kind of content will be present in the page."
     },
     "category": {
       "type": "string",
-      "description": "Category of the content displayed in the page.",
-      "maxLength": 30
+      "description": "Category of the content displayed in the page."
     }
   },
   "required": [