[test] Remove deprecated ignition-test-suite alias

test/BUILD.gn

 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("../gni/isolate.gni")
 
 group("gn_all") {
   testonly = true
 
   deps = [
@@ skipping 53 matching lines @@
 }
 
 v8_isolate_run("default") {
   deps = [
     ":default_tests",
   ]
 
   isolate = "default.isolate"
 }
 
-v8_isolate_run("ignition") {
-  deps = [
-    ":cctest_run",
-    ":mjsunit_run",
-  ]
-
-  isolate = "ignition.isolate"
-}
-
 v8_isolate_run("optimize_for_size") {
   deps = [
     ":cctest_run",
     ":intl_run",
     ":mjsunit_run",
     ":webkit_run",
   ]
 
   isolate = "optimize_for_size.isolate"
 }
@@ skipping 111 matching lines @@
   isolate = "unittests/unittests.isolate"
 }
 
 v8_isolate_run("webkit") {
   deps = [
     "..:d8_run",
   ]
 
   isolate = "webkit/webkit.isolate"
 }