ci-dockerfiles-sanity-check: Set "project-type: freestyle"

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I20cf80e86b236c9fb7d818a2eb38fed6dc3a0d7d
diff --git a/ci-dockerfiles-sanity-check.yaml b/ci-dockerfiles-sanity-check.yaml
index fcc5522..275c8d5 100644
--- a/ci-dockerfiles-sanity-check.yaml
+++ b/ci-dockerfiles-sanity-check.yaml
@@ -1,6 +1,6 @@
 - job:
     name: ci-dockerfiles-sanity-check
-    project-type: matrix
+    project-type: freestyle
     defaults: global
     properties:
         - authorization: