Marks Linux_android gradient_static_perf__e2e_summary to be unflaky (#101834)

diff --git a/.ci.yaml b/.ci.yaml
index 9be0ee6..8abccf7 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -2326,7 +2326,6 @@
     scheduler: luci
 
   - name: Linux_android gradient_static_perf__e2e_summary
-    bringup: true
     recipe: devicelab/devicelab_drone
     presubmit: false
     timeout: 60