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

========

https://hg.mozilla.org/integration/gaia-central/rev/7343851c97c2
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Revert "Bug 907177 - [Clock] Add integration tests"

This reverts commit bddf28e63207e30e0cec38c60a98490117b32c89.

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "a695e3b85d81c84ea3c894a266a09089222c4001", 
+    "revision": "7343851c97c278a338434d2632098a263e19bbb6", 
     "repo_path": "/integration/gaia-central"
 }