[I-Build] Promote Equinox drops only for I-builds

For Y-builds and others, Equinox drops are not of interest.

Author: HannesWell

JenkinsJobs/Builds/build.jenkinsfile

@@ -407,6 +407,9 @@ pipeline {
 					}
 				}
 				stage('Equinox') {
+					when {
+						environment name: 'BUILD_TYPE', value: 'I'
+					}
 					stages {
 						stage('Gather Equinox parts') {
 							tools {

JenkinsJobs/Cleanup/cleanupBuilds.jenkinsfile

@@ -55,7 +55,6 @@ pipeline {
 					steps {
 						sshagent (['projects-storage.eclipse.org-bot-ssh']) {
 							removeSurplusBuildDrops("${EP_EQUINOX_DROPS}", 'I', EQUINOX_RETENTION_COUNT)
-							removeSurplusBuildDrops("${EP_EQUINOX_DROPS}", 'Y', EQUINOX_RETENTION_COUNT)
 						}
 					}
 				}