Revert "Run tests in Fuchsia builders"

This reverts commit c31e3668e9e86a14a85bd011260ca8a6c9a23d65.

Reason for revert: Fuchsia is failing to start on the bots, so the tests fail to run.

Change-Id: I8199874d811ebb8ec3567743a8c1b8ffe5e36eb3
diff --git a/services/cr-buildbucket.cfg b/services/cr-buildbucket.cfg
index 65740f2..58d14c2 100644
--- a/services/cr-buildbucket.cfg
+++ b/services/cr-buildbucket.cfg
@@ -74,7 +74,6 @@
   recipe {
     name: "fuchsia"
     properties: "manifest:fuchsia"
-    properties: "tests:apps/test_runner/config/fuchsia.json"
   }
 }