[GN/iOS] Explicitly list test data in net_unittests_bundle_data.

components/security_state/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 # GYP version: components/security_state.gyp
@@ skipping 14 matching lines @@
 
 if (is_android) {
   # GYP: //components/security_state.gypi:security_state_enums_java
   java_cpp_enum("security_state_enums_java") {
     sources = [
       "security_state_model.h",
     ]
   }
 }
 
-bundle_data("unit_tests_bundle_data") {
-  visibility = [ ":unit_tests" ]
-  testonly = true
-  sources = [
-    "//net/data/ssl/certificates/sha1_2016.pem",
-  ]
-  outputs = [
-    "{{bundle_resources_dir}}/" +
-        "{{source_root_relative_dir}}/{{source_file_part}}",
-  ]
-}
-
 source_set("unit_tests") {
   testonly = true
   sources = [
     "security_state_model_unittest.cc",
   ]
 
   deps = [
     ":security_state",
-    ":unit_tests_bundle_data",
     "//net:test_support",
     "//testing/gtest",
   ]
 
   data = [
     "//net/data/",
   ]
 }