Merge pull request #1701: [HOTFIX] Delete all macOS projects and plat…

…form code

Some macOS projects were causing failures in the release process, so
let's finally get around to deleting them.

This is the hotfix PR, but it should help with launching the VFS for Git release process.

GVFS/GVFS.FunctionalTests.LockHolder/AcquireGVFSLock.cs

@@ -1,7 +1,6 @@
 using CommandLine;
 using GVFS.Common;
 using GVFS.Common.NamedPipes;
-using GVFS.Platform.Mac;
 using GVFS.Platform.Windows;
 using System;
 using System.Diagnostics;
@@ -43,11 +42,6 @@ public void Execute()
 
         private static bool TryGetGVFSEnlistmentRootImplementation(string directory, out string enlistmentRoot, out string errorMessage)
         {
-            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
-            {
-                return MacPlatform.TryGetGVFSEnlistmentRootImplementation(directory, out enlistmentRoot, out errorMessage);
-            }
-
             // Not able to use WindowsPlatform here - because of its dependency on WindowsIdentity (and also kernel32.dll).
             enlistmentRoot = null;
 
@@ -70,11 +64,6 @@ private static bool TryGetGVFSEnlistmentRootImplementation(string directory, out
 
         private static string GetNamedPipeNameImplementation(string enlistmentRoot)
         {
-            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
-            {
-                return MacPlatform.GetNamedPipeNameImplementation(enlistmentRoot);
-            }
-
             // Not able to use WindowsPlatform here - because of its dependency on WindowsIdentity (and also kernel32.dll).
             return "GVFS_" + enlistmentRoot.ToUpper().Replace(':', '_');
         }

GVFS/GVFS.FunctionalTests.LockHolder/GVFS.FunctionalTests.LockHolder.csproj

@@ -25,7 +25,6 @@
   <ItemGroup>
     <Compile Include="..\GVFS.Platform.POSIX\POSIXFileSystem.Shared.cs" Link="POSIXFileSystem.Shared.cs" />
     <Compile Include="..\GVFS.Platform.POSIX\POSIXPlatform.Shared.cs" Link="POSIXPlatform.Shared.cs" />
-    <Compile Include="..\GVFS.Platform.Mac\MacPlatform.Shared.cs" Link="MacPlatform.Shared.cs" />
     <Compile Include="..\GVFS.Platform.Windows\WindowsFileSystem.Shared.cs" Link="WindowsFileSystem.Shared.cs" />
   </ItemGroup>