Revert "svm/ci: run style gate in tier1"

This reverts commit 847582f.

Author: zapster

substratevm/ci/ci.jsonnet

@@ -122,7 +122,7 @@
   // START MAIN BUILD DEFINITION
   local task_dict = {
     "style-fullbuild": mxgate("fullbuild,style,nativeimagehelp,check_libcontainer_annotations,check_libcontainer_namespace") + eclipse + jdt + spotbugs + maven + mx_build_exploded + gdb("14.2") + platform_spec(no_jobs) + platform_spec({
-      "linux:amd64:jdk-latest": tier1 + t("30:00"),
+      "linux:amd64:jdk-latest": gate + t("30:00"),
     }),
     "basics": mxgate("build,helloworld,native_unittests,truffle_unittests,debuginfotest,hellomodule,java_agent,condconfig") + maven + jsonschema + platform_spec(no_jobs) + platform_spec({
       "linux:amd64:jdk-latest": gate + gdb("14.2") + t("55:00"),