Minor updates to documentation.

Author: cesarsouza

Sources/Accord.Docs/Accord.Docs.SHFB/Accord.Docs.SHFB.shfbproj

@@ -46,10 +46,6 @@
       <DocumentationSource sourceFile="..\..\Extras\Accord.Video.FFMPEG.GPL\Video.FFMPEG.vcxproj" configuration="net462" platform="Win32" />
       <DocumentationSource sourceFile="..\..\Accord.DataSets\Accord.DataSets.csproj" />
       <DocumentationSource sourceFile="..\..\Accord.Text\Accord.Text.csproj" />
-      <DocumentationSource sourceFile="..\..\..\Externals\SharpDX\v401\net45\SharpDX.DirectSound.dll" />
-      <DocumentationSource sourceFile="..\..\..\Externals\SharpDX\v401\net45\SharpDX.DirectSound.xml" />
-      <DocumentationSource sourceFile="..\..\..\Externals\SharpDX\v401\net45\SharpDX.dll" />
-      <DocumentationSource sourceFile="..\..\..\Externals\SharpDX\v401\net45\SharpDX.xml" />
     </DocumentationSources>
     <CopyrightText>Accord.NET Framework &amp;#169%3b 2009-2017. All documentation is licensed under the Creative Commons Attribution/Share-Alike License.</CopyrightText>
     <FeedbackEMailAddress>feedback%40accord-framework.net</FeedbackEMailAddress>