chore: Remove old cert cleanup code

The cert chain cleanup code is about 18 months old. If anyone is still running something that has old cert info, and tries to upgrade to this library, they've got a lot of problems ahead anyways. This can be removed. Affects #629

Author: qdot

Buttplug.Server.Connectors.WebsocketServer/CertUtils.cs

@@ -30,22 +30,11 @@ public static X509Certificate2 LoadPEMCert(string aPEMCertPath, string aPEMPrivK
 /// <exception cref="CryptographicException">
 /// Sometimes thrown due to issues generating keys.
 /// </exception>
-publicstaticX509Certificate2GetCert(stringapp,stringhostname="localhost")
+publicstaticX509Certificate2GetCert(stringapp)
 {
 varappPath=Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),app);
-varcaPfx=Path.Combine(appPath,"ca.pfx");
 varcertPfx=Path.Combine(appPath,"cert.pfx");
 
-// Patch release rework of cert handling: our websocket server doesn't accept a chain!
-if(File.Exists(caPfx))
-{
-File.Delete(caPfx);
-if(File.Exists(certPfx))
-{
-File.Delete(certPfx);
-}
-}
-
 if(!File.Exists(certPfx))
 {
 thrownewFileNotFoundException("cert.pfx file not found. You will need to generate a cert somehow.");