Revert "Issue #5: Windows builds do not seem to work"

This reverts commit 895d88e3738aab2ab776194cf74f4e1cfe2e350f.
diff --git a/vars/defaultPipeline.groovy b/vars/defaultPipeline.groovy
index 0c5255a..a423b55 100644
--- a/vars/defaultPipeline.groovy
+++ b/vars/defaultPipeline.groovy
@@ -63,9 +63,7 @@
           axes {
             axis {
                 name 'PLATFORM'
-// https://github.com/apache/uima-build-jenkins-shared-library/issues/5
-//                values 'ubuntu', 'Windows'
-                values 'ubuntu'
+                values 'ubuntu', 'Windows'
             }
           }