Fix DataTypeDefinitionRepositoryTest, now that folder browser is gone

src/Umbraco.Tests/Persistence/Repositories/DataTypeDefinitionRepositoryTest.cs

@@ -146,7 +146,7 @@ namespace Umbraco.Tests.Persistence.Repositories
                 Assert.That(dataTypeDefinitions, Is.Not.Null);
                 Assert.That(dataTypeDefinitions.Any(), Is.True);
                 Assert.That(dataTypeDefinitions.Any(x => x == null), Is.False);
-                Assert.That(dataTypeDefinitions.Count(), Is.EqualTo(25));
+                Assert.That(dataTypeDefinitions.Count(), Is.EqualTo(24));
             }
         }