Remove flaky flag from non-flaky test (#16075)

dev/devicelab/manifest.yaml

diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index 4fb4ebb..efea190 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml
@@ -358,7 +358,6 @@
       Checks that the project template works and supports plugins on Windows.
     stage: devicelab_win
     required_agent_capabilities: ["windows/android"]
-    flaky: true
 
   hot_mode_dev_cycle_win__benchmark:
     description: >