[Telemetry][Wpr] Remove old version of archive info.

telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json

Index: telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
diff --git a/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json b/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
index 20dec47efa4198bae30069f7cbfec14b47328587..9628451f30ab843aacdf7d3f3b73b8cdec85346e 100644
--- a/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
+++ b/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
@@ -1,9 +1,12 @@
 {
     "description": "Describes the Web Page Replay archives for a user story set. Don't edit by hand! Use record_wpr for updating.", 
+    "platform_specific": true,
     "archives": {
-        "example_domain_001.wpr": [
-            "http://www.example.com",
-            "https://www.example.com"
-        ]
+        "http://www.example.com": {
+          "DEFAULT": "example_domain_001.wpr"
+        },
+        "https://www.example.com":{
+          "DEFAULT": "example_domain_001.wpr"
+        }
     }
-}
+}