Revert unwanted folder property update

src/engine/api/geary-account-information.vala

@@ -210,6 +210,7 @@ public class Geary.AccountInformation : BaseObject {
         default = new Gee.LinkedList<Geary.RFC822.MailboxAddress>();
     }
 
+
     /**
      * Emitted when a service has reported an authentication failure.
      *

src/engine/api/geary-folder.vala

@@ -364,7 +364,6 @@ public abstract class Geary.Folder : BaseObject, Logging.Source {
      */
     public signal void email_removed(Gee.Collection<Geary.EmailIdentifier> ids);
 
-
     /**
      * Fired when emails are removed from the local folder.
      */

src/engine/imap-db/imap-db-folder.vala

@@ -954,11 +954,6 @@ private class Geary.ImapDB.Folder : BaseObject, Geary.ReferenceSemantics {
                     stmt.exec(cancellable);
                 }
 
-                // Update local message count
-                this.properties.set_status_message_count(
-                    this.properties.email_total - deleted_email_ids.size, true
-                );
-
                 return Db.TransactionOutcome.COMMIT;
             } else {
                 return Db.TransactionOutcome.DONE;