infinitepush: drop `--list-remote`, `--remote-path` flags to bookmark cmd
The extension adds these two flags to list remote bookmarks using the `hg
bookmark` command. These are not required in core currently and needs some
discussion before getting them in, so let's drop them for now. This makes us
deleting the wrapping of `hg bookmark` command on client side.
The end goal here is to have minimal or no wrapping at client side.
Differential Revision: https://phab.mercurial-scm.org/D2103
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