🔥 Chore: Remove Jenkinsfile

The project no longer uses Jenkins, nor will it ever again

Jenkinsfile

@@ -1,70 +0,0 @@
-pipeline {
-    agent {
-        label 'podman'
-    }
-    tools {
-        go '1.21.1'
-    }
-    environment {
-        registry = "docker.io/notatio/notatio"
-        registryCredential = 'docker-hub-credentials'
-        podmanImage = ''
-    }
-    stages {
-        stage('Clone repository') {
-            steps {
-                git branch: 'main', credentialsId: 'codeberg-musselman-builder-jenkins', url: 'https://codeberg.org/Musselman/Notatio.git'
-            }
-        }
-        stage('Retrieve Git tag') {
-            steps {
-                script {
-                    def tagOutput = sh(script: 'git describe --abbrev=0 --tags || true', returnStdout: true).trim()
-                    if (tagOutput.isEmpty() || tagOutput.equals("fatal: No names found, cannot describe anything.")) {
-                        TAG = 'latest' // Set a default tag if no tags are found
-                        echo "No tags found, using default tag: ${TAG}"
-                    } else {
-                        TAG = tagOutput
-                        echo "Latest tag found: ${TAG}"
-                    }
-                }
-            }
-        }
-        stage('Build') {
-            steps {
-                echo 'Building..'
-                sh 'go build'
-            }
-        }
-        stage('Test') {
-            steps {
-                echo 'Testing..'
-                echo 'No Testing to do currently..'
-            }
-        }
-        stage('Building image') {
-            steps {
-                script {
-                    sh "podman build -t notatio ."
-                }
-            }
-        }
-        stage('Push image') {
-            steps {
-                script {
-                    withCredentials([usernamePassword(credentialsId: registryCredential, passwordVariable: 'REGISTRY_PASSWORD', usernameVariable: 'REGISTRY_USERNAME')]) {
-                        sh "podman login -u $REGISTRY_USERNAME -p $REGISTRY_PASSWORD docker.io"
-                        sh "podman push notatio $registry:${TAG}"
-                        sh "podman logout $registry"
-                    }
-                }
-            }
-        }
-        stage('Cleanup') {
-            steps {
-                sh "podman rmi -a -f"
-            }
-        }
-    }
-}
-