FS-10756: Removed all windows related libsodium stuff, no longer using it at all

w32/sodium-version.props

-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ImportGroup Label="PropertySheets" />
-  <PropertyGroup Label="UserMacros">
-    <SodiumVersion>1.0.12</SodiumVersion>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SodiumVersionImported>true</SodiumVersionImported>
-  </PropertyGroup>
-  <PropertyGroup />
-  <ItemDefinitionGroup />
-  <ItemGroup>
-    <BuildMacro Include="SodiumVersion">
-      <Value>$(SodiumVersion)</Value>
-    </BuildMacro>
-  </ItemGroup>
-</Project>
\ No newline at end of file