Account activity: don't hide collection headers even if empty.

This was an annoying remanent from DAVDroid. Maybe it makes sense for
DAV, but it defo doesn't make sense for us where we can just create
collections (and anyhow always have existing defaults!).

app/src/main/java/com/etesync/syncadapter/ui/AccountActivity.kt

@@ -22,7 +22,6 @@ import android.provider.ContactsContract
 import android.support.design.widget.Snackbar
 import android.support.v4.content.ContextCompat
 import android.support.v7.app.AlertDialog
-import android.support.v7.widget.CardView
 import android.support.v7.widget.Toolbar
 import android.text.TextUtils
 import android.view.*
@@ -226,7 +225,6 @@ class AccountActivity : BaseActivity(), Toolbar.OnMenuItemClickListener, PopupMe
     override fun onLoadFinished(loader: Loader<AccountInfo>, info: AccountInfo) {
         accountInfo = info
 
-        var card = findViewById<View>(R.id.carddav) as CardView
         if (info.carddav != null) {
             val progress = findViewById<View>(R.id.carddav_refreshing) as ProgressBar
             progress.visibility = if (info.carddav!!.refreshing) View.VISIBLE else View.GONE
@@ -239,10 +237,8 @@ class AccountActivity : BaseActivity(), Toolbar.OnMenuItemClickListener, PopupMe
             adapter.addAll(info.carddav!!.journals!!)
             listCardDAV!!.adapter = adapter
             listCardDAV!!.onItemClickListener = onItemClickListener
-        } else
-            card.visibility = View.GONE
+        }
 
-        card = findViewById<View>(R.id.caldav) as CardView
         if (info.caldav != null) {
             val progress = findViewById<View>(R.id.caldav_refreshing) as ProgressBar
             progress.visibility = if (info.caldav!!.refreshing) View.VISIBLE else View.GONE
@@ -255,10 +251,8 @@ class AccountActivity : BaseActivity(), Toolbar.OnMenuItemClickListener, PopupMe
             adapter.addAll(info.caldav!!.journals!!)
             listCalDAV!!.adapter = adapter
             listCalDAV!!.onItemClickListener = onItemClickListener
-        } else
-            card.visibility = View.GONE
+        }
 
-        card = findViewById<View>(R.id.taskdav) as CardView
         if (info.taskdav != null) {
             val progress = findViewById<View>(R.id.taskdav_refreshing) as ProgressBar
             progress.visibility = if (info.taskdav!!.refreshing) View.VISIBLE else View.GONE
@@ -271,8 +265,7 @@ class AccountActivity : BaseActivity(), Toolbar.OnMenuItemClickListener, PopupMe
             adapter.addAll(info.taskdav!!.journals!!)
             listTaskDAV!!.adapter = adapter
             listTaskDAV!!.onItemClickListener = onItemClickListener
-        } else
-            card.visibility = View.GONE
+        }
     }
 
     override fun onLoaderReset(loader: Loader<AccountInfo>) {