[fuchsia] Remove duplicate LogSink routes

Routing LogSink manually is not needed, as this is done implicitly
through the client shard. Future CLs will update the routing used in
the shard, so it's necessary to cleanup these duplicate routes in
order to update the shards.

Bug: fuchsia:345827642
Change-Id: I529ab52412530382240d5c6276c1ef01ab349ecc
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/5941579
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Brian Bosak <bbosak@google.com>

test/fuchsia_crashpad_tests.cml

@@ -45,15 +45,6 @@
         },
     ],
     offer: [
-        {
-            protocol: "fuchsia.logger.LogSink",
-            from: "parent",
-            to: [
-                "#crashpad_test",
-                "#dns_resolver",
-                "#netstack",
-            ]
-        },
         {
             protocol: "fuchsia.net.name.Lookup",
             from: "#dns_resolver",