Remove workaround

Change-Id: I431340dcce69d6c0f047340392d059f89cc080e1
diff --git a/Vagrantfile b/Vagrantfile
index 24989bd..4ff794b 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -10,6 +10,7 @@
   # More at https://vagrantcloud.com/search.
   config.vm.box = "ubuntu/xenial64"
 
+  # Memory size is set for installation of Krill
   config.vm.provider "virtualbox" do |vb|
     vb.customize ["modifyvm", :id, "--memory", "1024"]
   end
@@ -40,9 +41,6 @@
     sudo apt-get install -qq npm
     sudo apt-get install -qq ruby
 
-    # Workaround for https://bugs.launchpad.net/ubuntu/+source/ca-certificates-java/+bug/1396760
-    sudo /var/lib/dpkg/info/ca-certificates-java.postinst configure
-
     ###############################################
     echo "Install Koral"
     cd ~/