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

========

https://hg.mozilla.org/integration/gaia-central/rev/587d98bf2662
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #26192 from jmcanterafonseca/fix_del_button"

This reverts commit 6f6e4b9b395b95dd920ee701d0c5ec6aa2c1d805, reversing
changes made to f004f8c891c4a6510a4679f3804ba3123af26615.

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "01d806f7e89109d0c2bd39a6fefbbac69c21e9b7", 
+    "revision": "587d98bf26625137015c17d5b937bf06bd055dd0", 
     "repo_path": "integration/gaia-central"
 }