Remove extra service-codesearch job in deploy

This job was listed twice. Remove the extra one for clarity.

Change-Id: I7aa39e3757d6562af474ec7c9cfdda7d8024cd1c

zuul.d/project.yaml

@@ -361,7 +361,6 @@
         - infra-prod-service-zuul-preview
         - infra-prod-service-review
         - infra-prod-service-gitea
-        - infra-prod-service-codesearch
         - infra-prod-service-eavesdrop
         - infra-prod-run-accessbot:
             dependencies: