Remove debug from check pipeline

Change-Id: If05926b6eb2c67f7f9c03749cf2e83187734395d
diff --git a/zuul.d/projects.yaml b/zuul.d/projects.yaml
index d213d46..a9c187b 100644
--- a/zuul.d/projects.yaml
+++ b/zuul.d/projects.yaml
@@ -2,7 +2,6 @@
     name: ^.*$
     check:
       jobs: []
-      debug: true
 
 - project:
     name: zuul/config