Making it visible handover form is in the cross region handover section

Why is this change being made?

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The subsection about the hand over form is so far down the page that it is not possible to see the main section title specifies "between regions". A natural result is the handover form now gets used for in-region handovers too. These can be solved synchronously and do not need to ping the manager on-call pr default.

NB: Removed "the manual method" as it is out of date / no longer in use.

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