Marks Mac complex_layout_macos__compile to be unflaky (#112556)

diff --git a/.ci.yaml b/.ci.yaml
index eba7cb2..134489c 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -2433,7 +2433,6 @@
         ["framework", "hostonly", "shard", "mac"]
 
   - name: Mac complex_layout_macos__compile
-    bringup: true # New target https://github.com/flutter/flutter/issues/109633
     presubmit: false
     recipe: devicelab/devicelab_drone
     timeout: 60