E2E: tiny JenkinsFile cleanup

alfa-client/apps/alfa-e2e/Jenkinsfile

@@ -55,9 +55,7 @@ pipeline {
         stage('Check branch') {
             steps {
                 script {
-                     if (env.BRANCH_NAME == 'PR-489' || isMasterBranch()) {
-
-                    } else {
+                     if (!isMasterBranch()) {
                         echo "Branchname "+env.BRANCH_NAME+" does not match, skipping e2e tests"
                         SKIP_RUN = true
                     }
@@ -339,14 +337,6 @@ String getUpstreamProjects() {
     return ""
 }
 
-Boolean isReleaseBranch() {
-    return env.BRANCH_NAME == 'release'
-}
-
-Boolean isMasterBranch() {
-    return env.BRANCH_NAME == 'master'
-}
-
 def cloneGitopsRepo() {
     final email = "jenkins@ozg-sh.de"
     final name = "jenkins"
@@ -398,6 +388,10 @@ Void initEnvAlfaDefaultVersions() {
     env.ALFA_HELM_REPO_URL = getHelmRepoUrl()
 }
 
+Boolean isMasterBranch() {
+    return env.BRANCH_NAME == 'master'
+}
+
 String getHelmRepoUrl() {
     if (isReleaseBranch()) {
         return "https://nexus.ozg-sh.de/repository/ozg-base-apps"
@@ -724,6 +718,10 @@ String getElementRoomId() {
     return masterRoomId
 }
 
+Boolean isReleaseBranch() {
+    return env.BRANCH_NAME == 'release'
+}
+
 String getElementAccessToken() {
     withCredentials([string(credentialsId: 'element-login-json', variable: 'LOGIN_JSON')]) {
         return readJSON ( text: sh (script: '''curl -XPOST -d \"$LOGIN_JSON\" https://matrix.ozg-sh.de/_matrix/client/v3/login''', returnStdout: true)).access_token