drop smart-proxy-pr-test and all non-packaging PR testing remains

theforeman.org/pipelines/test/smart-proxy.groovy

@@ -1,11 +1,3 @@
-def git_checkout = {
-    if (env.ghprbPullId) {
-        ghprb_git_checkout()
-    } else {
-        git branch: "${params.BRANCH}", url: 'https://github.com/theforeman/smart-proxy'
-    }
-}
-
 pipeline {
     agent none
     options {
@@ -28,9 +20,7 @@ pipeline {
             stages {
                 stage('Setup Git Repos') {
                     steps {
-                        script {
-                            git_checkout()
-                        }
+                        git branch: git_branch, url: 'https://github.com/theforeman/smart-proxy'
                     }
                 }
                 stage('Install dependencies') {

theforeman.org/yaml/jobs/pipeline/foreman-stable-pipelines.yaml

@@ -8,7 +8,6 @@
     dsl:
       !include-raw-verbatim:
         - 'pipelines/vars/foreman/{version}.groovy'
-        - 'pipelines/lib/stable/smart-proxy.groovy{empty}'
         - 'pipelines/test/smart-proxy.groovy{empty}'
         - 'pipelines/lib/rbenv.groovy{empty}'
 

theforeman.org/yaml/triggers/github_pr.yaml

@@ -2,7 +2,6 @@
     name: ghprb_defaults
     org-list:
       - theforeman
-      - katello
     white-list:
       - 'github-actions[bot]'
       - 'github-actions'
@@ -17,12 +16,6 @@
     status-add-test-results: true
     cancel-builds-on-update: true
 
-- trigger:
-    name: github_pr
-    triggers:
-      - github-pull-request:
-          <<: *ghprb_defaults
-
 - trigger:
     name: github_pr_deb
     triggers: