Remove comment reference to fix-buildconfig, which was made unused in revision ec95c1d93af0 and removed in revision e9f39220b8e7 (no bug)

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extra : rebase_source : ae2d0597c39890596f1275386f1e0bcb51cd3ff1
Bug 960887 - Handle storage endpoints returned by 1.5 token server. r=rnewman

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extra : rebase_source : a78f079a22f4e196de21b7b15d63ecdc4d475a04