remove unused SystemProcessHandler parameter (#5918)

Author: SimonCropp

src/Platform/Microsoft.Testing.Platform/Builder/TestApplication.cs

@@ -93,7 +93,7 @@ public static async Task<ITestApplicationBuilder> CreateBuilderAsync(string[] ar
         {
             ILogger logger = loggingState.FileLoggerProvider.CreateLogger(typeof(TestApplication).ToString());
             s_unhandledExceptionHandler.SetLogger(logger);
-            await LogInformationAsync(logger, testApplicationModuleInfo, testHostControllerInfo, systemProcess, systemEnvironment, createBuilderEntryTime, loggingState.IsSynchronousWrite, loggingState.LogLevel, args).ConfigureAwait(false);
+            await LogInformationAsync(logger, testApplicationModuleInfo, testHostControllerInfo, systemEnvironment, createBuilderEntryTime, loggingState.IsSynchronousWrite, loggingState.LogLevel, args).ConfigureAwait(false);
         }
 
         // All checks are fine, create the TestApplication.
@@ -104,7 +104,6 @@ private static async Task LogInformationAsync(
         ILogger logger,
         CurrentTestApplicationModuleInfo testApplicationModuleInfo,
         TestHostControllerInfo testHostControllerInfo,
-        SystemProcessHandler processHandler,
         SystemEnvironment environment,
         string createBuilderEntryTime,
         bool syncWrite,