CI: Remove JJB merge job

GHA workflow for JJB merge is now in place.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I0b91ad6242627b9d66f3ee7435b2db5e750dc5d8
diff --git a/jjb/ci-management/ci-management.yaml b/jjb/ci-management/ci-management.yaml
deleted file mode 100644
index 754a051..0000000
--- a/jjb/ci-management/ci-management.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
----
-- project:
-    archive-artifacts: '**/*.log'
-    branch: 'master'
-    build-timeout: '60'
-    build-node: 'ubuntu18.04-basebuild-1c-1g'
-
-    jobs:
-      - gerrit-jjb-merge
-
-    name: ci-management-jobs
-    project: 'ci-management'
-    project-name: 'ci-management'
-
-    jjb-version: 6.4.1
-
-# [EOF]