Remove unnecessary common props import

Agent-Logs-Url: https://github.com/jet/equinox/sessions/34805ff3-23b7-4039-90ac-8348130699e0

Co-authored-by: bartelink <206668+bartelink@users.noreply.github.com>

Author: Copilot

build.proj

@@ -1,7 +1,5 @@
 <Project DefaultTargets="Build">
 
-  <Import Project="$(MSBuildExtensionsPath)/$(MSBuildToolsVersion)/Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)/$(MSBuildToolsVersion)/Microsoft.Common.props')" />
-
   <PropertyGroup>
     <Cfg Condition="'$(CI)' == 'true'">--configuration Release</Cfg>