fix links

content/navigation/navigation.md

@@ -8,23 +8,18 @@ navLinks:
     submenu:
       - title: Be The Internet
         path: /farming
-        external: true
 
       - title: P2P Cloud
         path: /cloud
-        external: true
 
       - title: P2P Marketplace
         path: /marketplace
-        external: true
 
       - title: Digital Twin
         path: /twin
-        external: true
 
       - title: ThreeFold Token
         path: /farming/token
-        external: true
 
   - name: LEARN
     link: '' # /dropdown
@@ -33,7 +28,6 @@ navLinks:
     submenu:
       - title: Knowledge Base
         path: /info/threefold
-        external: true
 
       - title: Blog
         path: /blog
@@ -55,7 +49,6 @@ navLinks:
 
       - title: Conscious Internet
         path: /aci
-        external: true
 
       - title: ThreeFold Tech
         path: https://threefold.tech/