multimedia/droidcam: Update 2.1.3 => 2.1.4
Changelog (linux-related):
https://github.com/dev47apps/droidcam-linux-client/releases/tag/v2.1.4
Remove unused dependencies.
Replce dependencies from LIB_DEPENDS with USES.
Update COMMENT to simply explain what is this port for instead of an
pointless comment.
Update pkg-message to hopefully make it better and provide a how-to.
PR: 287918