Bug 861152 - [Settings] Fix alignment of .fake-select

The patch for Bug 802234 changes the padding for .fake-select ([Line 338](https://github.com/mozilla-b2g/gaia/commit/6fdf36c189e0963774abf44806fbfd948e16e531#L1L324) in apps/settings/style/lists.css) without actually needing it for the fix, from what I noticed. This breaks the alignment for the lock timeout select in "Phone lock" screen.