docs: drop countryCode

Author: Kikobeats

src/components/patterns/Aside/constants.js

@@ -321,13 +321,7 @@ const ROUTES_API = [
       },
       {
         name: 'proxy',
-        href: '/docs/api/parameters/proxy',
-        posts: [
-          {
-            name: 'countryCode',
-            href: '/docs/api/parameters/proxy/countryCode'
-          }
-        ]
+        href: '/docs/api/parameters/proxy'
       },
       {
         name: 'retry',

src/helpers/title.js

@@ -8,7 +8,6 @@ const special = [
   'cache',
   'click',
   'CodeSandbox',
-  'countryCode',
   'deviceScaleFactor',
   'Edge Node Cache',
   'fullPage',