Disabling VS SDK publish while they look into the error it found

build/Targets/Packages.props

@@ -211,7 +211,7 @@
     <SystemXmlXmlSerializerVersion>4.3.0</SystemXmlXmlSerializerVersion>
     <SystemXmlXPathXDocumentVersion>4.3.0</SystemXmlXPathXDocumentVersion>
     <SQLitePCLRawbundle_greenVersion>1.1.2</SQLitePCLRawbundle_greenVersion>
-    <MicrosoftVSSDKBuildToolsVersion>15.1.63-beta-gc7dad168f6</MicrosoftVSSDKBuildToolsVersion>
+    <MicrosoftVSSDKBuildToolsVersion>15.0.26124-RC3</MicrosoftVSSDKBuildToolsVersion>
     <VSExternalAPIsCodingConventionsVersion>1.0.60704.2</VSExternalAPIsCodingConventionsVersion>
     <VSLangProjVersion>7.0.3300</VSLangProjVersion>
     <VSLangProj140Version>14.3.25407-alpha</VSLangProj140Version>

build/scripts/cibuild.ps1

@@ -166,7 +166,7 @@ try {
     # re-enabling the build based deployment
     # 
     # https://github.com/dotnet/roslyn/issues/17456
-    $deployExtensionViaBuild = if ($testVsi -or $testVsiNetCore) { "true" } else { "false" }
+    $deployExtensionViaBuild = $false
 
     if ($testVsiNetCore -and ($test32 -or $test64 -or $testVsi)) {
         Write-Host "The testVsiNetCore option can't be combined with other test arguments"