Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/83a160cc37a8
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #33826 from albertopq/1232836-intermittent-pinning

Bug 1232836 - Intermittent pinning_the_web_test.js r=mhenretty

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https://hg.mozilla.org/integration/gaia-central/rev/dd94fddd5ed5
Author: albertopq <albert.pastor@gmail.com>
Desc: Bug 1232836 - Intermittent pinning_the_web_test.js

This reverts commit e7d4422b7884ff24f733c55c147c445bd21c4cfd.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "2d6c11a1e82bd9f9b7491863c8d1ea4a14aea69f", 
+        "git_revision": "626d0bc59f3d079bfd09dd2c3c72e0ad9331717c", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "ed05ae5ca5b9a6d8f01386c1f9345c041971afd8", 
+    "revision": "83a160cc37a8b99ac31c71c07bb45fa2facbb85a", 
     "repo_path": "integration/gaia-central"
 }