Marks Linux run_release_test_linux to be unflaky (#119156)

diff --git a/.ci.yaml b/.ci.yaml
index 5375315..fd39048 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -706,7 +706,6 @@
 
   - name: Linux run_release_test_linux
     recipe: devicelab/devicelab_drone
-    bringup: true
     timeout: 60
     properties:
       dependencies: >-