Revert "Add testcase for issue #15"

This reverts commit 917662e.

Author: srijken

Source/Tests/Exceptionless.Tests.csproj

@@ -140,7 +140,6 @@
     <Compile Include="Storage\IsolatedStorageFileStorageTests.cs" />
     <Compile Include="Storage\PersistedDictionaryTests.cs" />
     <Compile Include="Submission\DefaultSubmissionClientTests.cs" />
-    <Compile Include="ToErrorModel\ToErrorModelTests.cs" />
     <Compile Include="Utility\CountDownLatch.cs" />
     <Compile Include="Utility\InMemorySubmissionClient.cs" />
     <Compile Include="Utility\PasswordGenerator.cs" />