Fix for search input in iOS

Without a webkit-appearence: none and border-radius: 0, iOS was
rendering the input box as a rectangle with circular ends.

I've also removed the `::-webkit-search-cancel-button` selector as
adding the one for the input will remove the webkit-appearence for the
cancel button too.
Merge pull request #687 from alphagov/fix-search-input-in-ios

Fix for search input in iOS8
Temporarily remove DVLA phone contact on view-driving-record

DVLA are getting a high level of calls from people calling the number
on this transaction when they calls aren't relevant, and can't currently
be re-routed.

Until then remove the contact number, as this number can't help answer
(general) questions that are being asked.

Once DVLA can re-route this will be reverted.
Merge pull request #688 from alphagov/view-driving-record-content-update

Temporarily remove DVLA phone contact on view-driving-record