gazebo.dsl: disable windows builds

The builds are failing due to an old version of tbb
in the zipped dependency archive. See gazebosim/gazebo-classic#3174
for more information.

Signed-off-by: Steve Peters <scpeters@openrobotics.org>

jenkins-scripts/dsl/gazebo.dsl

@@ -516,6 +516,9 @@ all_branches.each { branch ->
   OSRFWinCompilationAnyGitHub.create(gazebo_win_ci_any_job, "osrf/gazebo")
   gazebo_win_ci_any_job.with
   {
+      // Windows CI builds don't work at the moment due to an old version of tbb
+      disabled()
+
       steps {
         batchFile("""\
               call "./scripts/jenkins-scripts/gazebo-default-devel-windows7-amd64.bat"
@@ -536,6 +539,9 @@ all_branches.each { branch ->
         scm('@daily')
       }
 
+      // Windows CI builds don't work at the moment due to an old version of tbb
+      disabled()
+
       steps {
         batchFile("""\
               call "./scripts/jenkins-scripts/gazebo-default-devel-windows7-amd64.bat"