Don't deploy extensions in Jenkins runs

cibuild.cmd

@@ -112,7 +112,7 @@ if defined TestPerfRun (
 REM Temporarily forcing MSBuild 14.0 here to work around a bug in 15.0
 REM MSBuild bug: https://github.com/Microsoft/msbuild/issues/1183
 REM Roslyn tracking bug: https://github.com/dotnet/roslyn/issues/14451
-"c:\Program Files (x86)\MSBuild\14.0\bin\MSBuild.exe" %MSBuildAdditionalCommandLineArgs% /p:BootstrapBuildPath="%bindir%\Bootstrap" BuildAndTest.proj /p:Configuration=%BuildConfiguration% /p:Test64=%Test64% /p:TestVsi=%TestVsi% /p:RunProcessWatchdog=%RunProcessWatchdog% /p:BuildStartTime=%BuildStartTime% /p:"ProcDumpExe=%ProcDumpExe%" /p:BuildTimeLimit=%BuildTimeLimit% /p:PathMap="%RoslynRoot%=q:\roslyn" /p:Feature=pdb-path-determinism /fileloggerparameters:LogFile="%bindir%\Build.log";verbosity=diagnostic || goto :BuildFailed
+"c:\Program Files (x86)\MSBuild\14.0\bin\MSBuild.exe" %MSBuildAdditionalCommandLineArgs% /p:BootstrapBuildPath="%bindir%\Bootstrap" BuildAndTest.proj /p:Configuration=%BuildConfiguration% /p:Test64=%Test64% /p:TestVsi=%TestVsi% /p:RunProcessWatchdog=%RunProcessWatchdog% /p:BuildStartTime=%BuildStartTime% /p:"ProcDumpExe=%ProcDumpExe%" /p:BuildTimeLimit=%BuildTimeLimit% /p:PathMap="%RoslynRoot%=q:\roslyn" /p:Feature=pdb-path-determinism /fileloggerparameters:LogFile="%bindir%\Build.log";verbosity=diagnostic /p:DeployExtension=false || goto :BuildFailed
 powershell -noprofile -executionPolicy RemoteSigned -file "%RoslynRoot%\build\scripts\check-msbuild.ps1" "%bindir%\Build.log" || goto :BuildFailed
 
 call :TerminateBuildProcesses

src/Tools/MicroBuild/Build.proj

@@ -22,14 +22,14 @@
   <Target Name="Build">
     <Exec Command="Restore.cmd /clean" WorkingDirectory="$(ProjectDir)" Condition="'$(SkipRestore)' != 'true'" />
 
-    <MSBuild Projects="$(ProjectDir)Roslyn.sln" BuildInParallel="true" />
+    <MSBuild Projects="$(ProjectDir)Roslyn.sln" BuildInParallel="true" Properties="DeployExtension=false" />
     <MSBuild Projects="$(ProjectDir)src\Dependencies\Dependencies.sln" BuildInParallel="true" />
-    <MSBuild Projects="$(ProjectDir)src\Setup\SetupStep1.proj" />
+    <MSBuild Projects="$(ProjectDir)src\Setup\SetupStep1.proj" Properties="DeployExtension=false" />
 
     <MSBuild Projects="$(MSBuildThisFileDirectory)RunSignTool.proj" Properties="SignRoslynArgs=$(SignRoslynArgs)" />
 
     <MSBuild Projects="$(ProjectDir)src\NuGet\NuGet.proj" />
-    <MSBuild Projects="$(ProjectDir)src\Setup\SetupStep2.proj" Properties="$(SetupStep2Properties)" />
+    <MSBuild Projects="$(ProjectDir)src\Setup\SetupStep2.proj" Properties="$(SetupStep2Properties);DeployExtension=false" />
 
     <MSBuild Projects="$(ProjectDir)BuildAndTest.proj" Targets="Test" Condition="'$(SkipTest)' != 'true'" />