Calls to obsolete methods

[imnasnainaec]

https://github.com/sillsdev/libpalaso/security/code-scanning?query=is%3Aopen+branch%3Amaster+rule%3Acs%2Fcall-to-obsolete-method

We call the following obsolete methods:

• Assembly.LoadWithPartialName (https://github.com/sillsdev/libpalaso/security/code-scanning/21, https://github.com/sillsdev/libpalaso/security/code-scanning/22, https://github.com/sillsdev/libpalaso/security/code-scanning/23)
• Thread.Abort (https://github.com/sillsdev/libpalaso/security/code-scanning/19, https://github.com/sillsdev/libpalaso/security/code-scanning/20)
• Uri.EscapeUriString (https://github.com/sillsdev/libpalaso/security/code-scanning/29, https://github.com/sillsdev/libpalaso/security/code-scanning/2712)
• WebRequest.Create (https://github.com/sillsdev/libpalaso/security/code-scanning/14, https://github.com/sillsdev/libpalaso/security/code-scanning/28, https://github.com/sillsdev/libpalaso/security/code-scanning/2711)
• WritingSystemSetupModel.GetSpellCheckComboBoxItems (https://github.com/sillsdev/libpalaso/security/code-scanning/27)