Revert of Add crash keys to TaskQueueManager::ProcessTaskFromWorkQueue

blimp/engine/app/blimp_engine_crash_keys.cc

Index: blimp/engine/app/blimp_engine_crash_keys.cc
diff --git a/blimp/engine/app/blimp_engine_crash_keys.cc b/blimp/engine/app/blimp_engine_crash_keys.cc
index 31c35c43030266fe4d5b4ea0f9e5749ff5fe8d49..42bcdb7af96896b265374a789108d40fb37dd034 100644
--- a/blimp/engine/app/blimp_engine_crash_keys.cc
+++ b/blimp/engine/app/blimp_engine_crash_keys.cc
@@ -109,10 +109,6 @@
       // Temporary for https://crbug.com/630496.
       { "swdh_get_registration_cannot_host_url", crash_keys::kLargeSize },
       { "swdh_get_registration_cannot_document_url", crash_keys::kLargeSize },
-
-      // Temporary for https://crbug.com/660427.
-      { "blink_scheduler_task_function_name", crash_keys::kMediumSize },
-      { "blink_scheduler_task_file_name", crash_keys::kMediumSize },
     };
 
   return base::debug::InitCrashKeys(engine_keys, arraysize(engine_keys),