[GR-17400] Removed EXTRA_JAVA_HOMES

PullRequest: graalpython/597

Author: Franziska Geiger

ci_common/mixins.libsonnet

@@ -75,9 +75,6 @@ local const = import 'constants.libsonnet';
     local labsjdk8 = {
         downloads +: {
             JAVA_HOME: utils.download("oraclejdk", "8u212-jvmci-19.2-b01"),
-            EXTRA_JAVA_HOMES : {
-                pathlist: [utils.download("oraclejdk", "11+28")]
-            },
         },
         environment +: {
             CI: "true",