disable x-pack on .ci tests for now

Mpdreamz · Mpdreamz · commit 9270f12162af · 2019-12-02T13:13:13.000+01:00
(cherry picked from commit 33aba12)
diff --git a/.ci/test-matrix.yml b/.ci/test-matrix.yml
@@ -5,7 +5,7 @@ ELASTICSEARCH_VERSION:
 
 TEST_SUITE:
   - oss
-  - xpack
+# - xpack
 
 DOTNET_VERSION:
     - 3.0.100
