R1:0f52fc771dc0

Remove implode_selected_handle_links()

Summary: Ref T7689. Use the newer, less-janky stuff for rendering handles.

Test Plan:
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Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T7689

Differential Revision: https://secure.phabricator.com/D12209