Remove git-mirrors and saas jobs. It was moved into infra model

Change-Id: Icdfc931a1ff514f0df69489ae34c2c12e0b7e512
diff --git a/jenkins/client/job/git-mirrors/downstream/init.yml b/jenkins/client/job/git-mirrors/downstream/init.yml
index 6f5a66d..2500254 100644
--- a/jenkins/client/job/git-mirrors/downstream/init.yml
+++ b/jenkins/client/job/git-mirrors/downstream/init.yml
@@ -1,41 +1,2 @@
-parameters:
-  _param:
-    jenkins_git_mirror_downstream_jobs: []
-    jenkins_pollscm_spec: "H/60 * * * *"
-  jenkins:
-    client:
-      job_template:
-        git_mirror_downstream_common:
-          name: git-mirror-downstream-{{name}}
-          jobs: ${_param:jenkins_git_mirror_downstream_jobs}
-          template:
-            discard:
-              build:
-                keep_num: 10
-              artifact:
-                keep_num: 10
-            type: workflow-scm
-            concurrent: false
-            scm:
-              type: git
-              url: "${_param:jenkins_gerrit_url}/mk/mk-pipelines"
-              branch: "${_param:jenkins_pipelines_branch}"
-              credentials: "gerrit"
-              script: git-mirror-pipeline.groovy
-            trigger:
-              pollscm:
-                spec: ${_param:jenkins_pollscm_spec}
-            param:
-              SOURCE_URL:
-                type: string
-                default: "{{upstream}}"
-              TARGET_URL:
-                type: string
-                default: "${_param:jenkins_gerrit_url}/{{downstream}}"
-              CREDENTIALS_ID:
-                type: string
-                default: "gerrit"
-              BRANCHES:
-                type: string
-                default: "{{branches}}"
-                description: "Comma-separated list of branches to mirror"
+# This file will be removed in Q3
+# jobs was moved into salt-models/infra repo