Remove the rev.txt file from all packages as it is not needed anymore

Author: AlexUstinov

Directory.Build.props

@@ -18,7 +18,6 @@
     <DoVersionName>$(DoMajor).$(DoMinor).$(DoPatch)</DoVersionName>
     <DoVersionName Condition="'$(DoVersionSuffix)'!=''">$(DoVersionName)-$(DoVersionSuffix)</DoVersionName>
     <DoPackageIcon>$(MSBuildThisFileDirectory)do-nuget.png</DoPackageIcon>
-    <DoRevFile>$(MSBuildThisFileDirectory)_Build\rev.txt</DoRevFile>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -78,19 +77,7 @@
       <PackagePath>.</PackagePath>
       <Pack>true</Pack>
     </None>
-    <None Include="$(DoRevFile)" Visible="false" Condition="Exists('$(DoRevFile)')" >
-      <PackagePath>.</PackagePath>
-      <Pack>true</Pack>
-    </None>
   </ItemGroup>
-  <Target Name="ExportRev"
-          BeforeTargets="Pack"
-          Condition="'$(Configuration)' == 'Release' AND Exists('$(SolutionDir).git\index')"
-          Inputs="$(SolutionDir).git\index"
-          Outputs="$(DoRevFile)">
-    <MakeDir Directories="$(SolutionDir)_Build" />
-    <Exec Command="git rev-parse HEAD > rev.txt" WorkingDirectory="$(SolutionDir)_Build" />
-  </Target>
 
   <Import Condition="Exists('User.Directory.Build.props')" Project="User.Directory.Build.props" />
 </Project>