Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/2bd430740c37
Author: Yuren Ju <yurenju@gmail.com>
Desc: Revert "Bug 957932 - Add coverage checkbox for test-agent web interface"

This reverts commit 9270745f79b2c2195a13cb24902cb402b08ced06.

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "fe2d4f241fabdb43e5b7e89bc1d16b3be3e23360", 
+    "revision": "2bd430740c37b61b3eb1e64d1c6e041a969206d6", 
     "repo_path": "/integration/gaia-central"
 }