Delete any graal_dumps from successful gates to save buildbot disk space

Author: timfel

ci/python-bench.libsonnet

@@ -13,7 +13,6 @@
     local platform_spec         = run_spec.platform_spec,
     local evaluate_late         = run_spec.evaluate_late,
     local downloads             = self.downloads,
-    local graalpy_gate          = self.graalpy_gate,
     local os_arch_jdk_mixin     = self.os_arch_jdk_mixin,
     local all_jobs              = self.all_jobs,
     local no_jobs               = self.no_jobs,

ci/python-gate.libsonnet

@@ -467,6 +467,9 @@
             // logging
             ["mx"] + self.mx_parameters + self.dy + ["sversions"],
         ],
+        on_success+: [
+            ["rm", "-rf", "graal_dumps"],
+        ],
     }),
 
     graalpy_ee_gate:: $.graalpy_gate + task_spec({