public_nightly is not a multibranch pipeline

Signed-off-by: Sombrio <[email protected]>

Author: sombraSoft

jenkins/public_nightly.Jenkinsfile

@@ -2,21 +2,7 @@
 
 node {
 
-    def isDefaultBranch = (env.BRANCH_NAME == 'master') 
-    def daysToKeep = (isDefaultBranch ? '30' : '-1');
-    def numToKeep = (isDefaultBranch ? '-1' : '10');
-
-    properties([
-        copyArtifactPermission('${JOB_NAME},'+env.BRANCH_NAME),
-
-        buildDiscarder(logRotator(
-            daysToKeepStr:         daysToKeep,
-            artifactDaysToKeepStr: daysToKeep, 
-
-            numToKeepStr:          numToKeep,
-            artifactNumToKeepStr:  numToKeep 
-        ))
-    ]);
+    properties([copyArtifactPermission('${JOB_NAME},'+env.BRANCH_NAME)]);
 
     stage('Checkout ORFS') {
         checkout([