Cleaned up code in migrations

Migrations.cs

@@ -81,10 +81,7 @@ namespace DbTools {
                 try {
                     using (var cmd = dbConnection.CreateCommand()) {
                         cmd.CommandText = File.ReadAllText(migration);
-                        if (cmd.ExecuteNonQuery() > 0) {
+                        wasSuccessful = cmd.ExecuteNonQuery() > 0;
-                            wasSuccessful = true;
-                        }
-                        wasSuccessful = false;
                     }
                 } catch (Exception ex) {
                     error = ex;