Use the GenAPI from NuGet

.gitignore

@@ -4,8 +4,6 @@
 # Repository-specific files
 output/
 binding/SkiaSharp.Portable/SkiaPortable.cs
-docs/SkiaSharp.tree
-docs/SkiaSharp.zip
 *.VC.db
 
 # User-specific files

build.cake

@@ -15,7 +15,7 @@ var NugetToolPath = GetToolPath ("nuget.exe");
 var XamarinComponentToolPath = GetToolPath ("xamarin-component.exe");
 var CakeToolPath = GetToolPath ("Cake/Cake.exe");
 var NUnitConsoleToolPath = GetToolPath ("NUnit.Console/tools/nunit3-console.exe");
-var GenApiToolPath = GetToolPath ("genapi.exe");
+var GenApiToolPath = GetToolPath ("Microsoft.DotNet.BuildTools.GenAPI/tools/GenAPI.exe");
 var MDocPath = GetToolPath ("mdoc/mdoc.exe");
 
 DirectoryPath ROOT_PATH = MakeAbsolute(Directory("."));

tools/.gitignore

@@ -2,6 +2,7 @@ __MACOSX/
 Addins/
 Cake/
 NUnit.Console/
+Microsoft.DotNet.BuildTools.GenAPI/
 
 nuget.exe
 System.IO.Compression.dll

tools/packages.config

@@ -2,4 +2,5 @@
 <packages>
 	<package id="Cake" version="0.11.0" />
     <package id="NUnit.Console" version="3.0.1" />
+    <package id="Microsoft.DotNet.BuildTools.GenAPI" version="1.0.0-beta-00081" />
 </packages>