Removed build folder. Moving yaml files to follow guidelines.

Author: MiYanni

build/download-build-steps.yml .azure-pipelines/download-build-steps.yml

@@ -6,7 +6,6 @@
     <RepoSrc>$(RepoRoot)src/</RepoSrc>
     <RepoArtifacts>$(RepoRoot)artifacts/</RepoArtifacts>
     <RepoTools>$(RepoRoot)tools/</RepoTools>
-    <RepoBuild>$(RepoRoot)build/</RepoBuild>
   </PropertyGroup>
 
 </Project>

build/install-pwsh-steps.yml .azure-pipelines/install-pwsh-steps.yml

@@ -143,7 +143,7 @@
     <MakeDir Directories="$(PackageDirectory)" />
 
     <!-- Copy appropriate targets -->
-    <Copy SourceFiles="$(RepoBuild)after.Azure.PowerShell.sln.targets" DestinationFolder="$(RepoArtifacts)" />
+    <Copy SourceFiles="$(RepoTools)after.Azure.PowerShell.sln.targets" DestinationFolder="$(RepoArtifacts)" />
 
     <!-- Build and create package content -->
     <Exec Command="dotnet --version" />