Fix issue with missed ImplicitRemotingCommands.cs

KNOWNISSUES.md

@@ -7,14 +7,6 @@ temporarily from `Microsoft.PowerShell.Commands.Management` because we
 cannot resolve `[Shell32.ShellFolderItem]` for FullCLR builds. This must be
 fixed ASAP.
 
-## `ImplicitRemotingCommands.cs`
-
-The file `monad\src\commands\utility\ImplicitRemotingCommands.cs` has been
-removed temporarily from `Microsoft.PowerShell.Commands.Utility` because it
-does not build on Core PowerShell, and cannot be guarded with preprocessor
-directives due to the use of here-strings that contain lines starting with `#`,
-which breaks the preprocessor.
-
 ## `Microsoft.Management.Infrastructure.Native`
 
 Windows builds currently use the native stub; this should be replaced with

src/Microsoft.PowerShell.Commands.Utility/project.json

@@ -98,6 +98,7 @@
         "../monad/monad/src/commands/utility/group-object.cs",
         "../monad/monad/src/commands/utility/Import-LocalizedData.cs",
         "../monad/monad/src/commands/utility/ImportAliasCommand.cs",
+        "../monad/monad/src/commands/utility/ImplicitRemotingCommands.cs",
         "../monad/monad/src/commands/utility/InvokeCommandCmdlet.cs",
         "../monad/monad/src/commands/utility/MatchString.cs",
         "../monad/monad/src/commands/utility/Measure-Object.cs",