Remove prefix from public key

src/freedombone-app-tahoelafs

 }
 
 function get_tahoelafs_public_key {
-    echo "$(cat /home/tahoelafs/storage/node.pubkey | grep 'v0-')"
+    echo "$(cat /home/tahoelafs/storage/node.pubkey | grep 'v0-' | sed 's|pub-||g')"
 }
 
 function add_tahoelafs_server {