Removing jenkins build, not in use

Jenkinsfile

@@ -1,25 +0,0 @@
-pipeline {
-    agent none
-    stages {
-        stage('Build docker image') {
-            agent { label 'docker-build' }
-            steps {
-                mattermostSend "Docker build started - ${env.JOB_NAME} ${env.BUILD_NUMBER} (<${env.BUILD_URL}|Open>)"
-                script {
-                    docker.withRegistry('https://git.dreamfall.space/thrrgilag', 'docker-gitea-creds') {
-                        def customImage = docker.build('git.dreamfall.space/thrrgilag/kiln:latest')
-                        customImage.push()
-                    }
-                }
-            }
-            post {
-                success {
-                    mattermostSend color: "good", message: "Docker build success - ${env.JOB_NAME} ${env.BUILD_NUMBER} (<${env.BUILD_URL}|Open>)"
-                }
-                failure {
-                    mattermostSend color: "danger", message: "Docker build failure - ${env.JOB_NAME} ${env.BUILD_NUMBER} (<${env.BUILD_URL}|Open>)"
-                }
-            }
-        }
-    }
-}