Revert "Set linux autoroller as bringup to reopen the tree." (#110748)

diff --git a/.ci.yaml b/.ci.yaml
index f8b03ec..ab41655 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -155,7 +155,6 @@
 
   - name: Linux packages_autoroller
     presubmit: false
-    bringup: true
     recipe: pub_autoroller/pub_autoroller
     timeout: 30
     enabled_branches: