remove v4 branches from Jenkinsfile

Jenkinsfile

@@ -33,7 +33,7 @@ pipeline {
                     def parentPom = readMavenPom file: 'ozgcloud-common-parent/pom.xml'
                     def parentVersion = parentPom.version
 
-                    if(env.BRANCH_NAME == 'release' || env.BRANCH_NAME == 'release-v4'){
+                    if(env.BRANCH_NAME == 'release'){
                         if ( !(rootVersion ==~ RELEASE_REGEX) || !(dependenciesVersion ==~ RELEASE_REGEX) || !(parentVersion ==~ RELEASE_REGEX)) {
                             error("Keine Release Version für Branch ${env.BRANCH_NAME}.")
                         }
@@ -95,8 +95,6 @@ pipeline {
                 anyOf {
                     branch 'master'
                     branch 'release'
-                    branch 'Version-4'
-                    branch 'release-v4'
                 }
             }
             steps {
@@ -112,7 +110,7 @@ pipeline {
     post {
         failure {
             script {
-                if (env.BRANCH_NAME == 'master' || env.BRANCH_NAME == 'release' || env.BRANCH_NAME == 'release-v4') {
+                if (env.BRANCH_NAME == 'master' || env.BRANCH_NAME == 'release') {
                     sendFailureMessage()
                 }
             }
@@ -130,7 +128,7 @@ Void sendFailureMessage() {
     if (env.BRANCH_NAME == 'master') {
         room = "!iQPAvQIiRwRpNOszjw:matrix.ozg-sh.de"
     }
-    else if (env.BRANCH_NAME == 'release' || env.BRANCH_NAME == 'release-v4') {
+    else if (env.BRANCH_NAME == 'release') {
         room = "!oWZpUGTFsxkJIYNfYg:matrix.ozg-sh.de"
     }