Revert "Increase keep builds number for certain jobs (adoptium#4594)"

This reverts commit e4a2d3c.

buildenv/jenkins/testJobTemplate

@@ -180,12 +180,6 @@ ARCH_OS_LIST.each { ARCH_OS ->
 					ACTUAL_JCK_GIT_REPO = "${JCK_GIT_REPO_PREFIX}/JCK${JDK_VERSION}-unzipped.git"
 				}
 
-				def BUILDS_TO_KEEP_MULTIPLIER = 1
-				if (ACTUAL_TEST_JOB_NAME.contains('_imageUpload') || ACTUAL_TEST_JOB_NAME.contains('_imagePull')) {
-					BUILDS_TO_KEEP_MULTIPLIER = 5
-				}
-				def ACTUAL_BUILDS_TO_KEEP = BUILDS_TO_KEEP * BUILDS_TO_KEEP_MULTIPLIER
-
 				def DOCKER_REQUIRED = false
 				def DOCKERIMAGE_TAG = ""
 				def EXTRA_DOCKER_ARGS = ""
@@ -476,8 +470,8 @@ ARCH_OS_LIST.each { ARCH_OS ->
 							}
 						}
 						logRotator {
-							numToKeep(ACTUAL_BUILDS_TO_KEEP)
-							artifactNumToKeep(ACTUAL_BUILDS_TO_KEEP)
+							numToKeep(BUILDS_TO_KEEP)
+							artifactNumToKeep(BUILDS_TO_KEEP)
 							daysToKeep(DAYS_TO_KEEP)
 							artifactDaysToKeep(DAYS_TO_KEEP)
 						}