No longer include changelogs in distribution packages

Former-commit-id: f019cfe5a5d5080f02473123cba8e91f23821db2
Former-commit-id: a73603b784e19218c87b6602f9f52a3aaebb3e90

share/doc/sshyp/changelog

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-sshyp v1.4.2
-04/30/2023
-
-the argumentative agronomist update - patch two
-
-IMPORTANT: the next major release of sshyp, v1.5.0, will make breaking changes that will require
-running through 'sshyp tweak' again - also starting with v1.5.0, a copy of the changelog will no
-longer be packaged with sshyp (it will still be available on GitHub) and clipboard tools
-(x-clip and wl-clipboard) will be set to optional dependencies ('sshyp tweak' will warn of this)
-
-this release makes use of a new ports framework to make sshyp even smaller and faster than before
-
-user-facing features:
-
-- full WSL (Windows Subsystem for Linux) support
-- partial MacOS support
-    ^ fully functional; packaging support has not yet been added
-- dedicated help screen for 'gen'
-    ^ this was previously not included due to 'sshyp gen' being a valid command prior to v1.4.0
-- removed interactive input for whitelist management
-    ^ this is to be consistent with the removal of interactive input on clients in v1.4.0
-
-fixes/optimizations:
-
-- leading and following spaces are no longer stripped when printing entry contents
-- properly display an error when trying to remove a device from the whitelist that is not whitelisted
-- ports framework to remove unneeded code for each platform
-    ^ BLANKS.py removes all blank lines
-    ^ CLIPBOARD.py removes non-platform-critical clipboard code
-    ^ COMMENTS.py removes all comments
-    ^ RMSERVER.py removes server-only code for creating client-only packages
-        ^ the Haiku package, which was already unsupported as a server, now only includes client code
-    ^ SHEBANG.sh sets the shebang to what is required by the platform
-    ^ TABS.sh converts all groups of spaces to tabs for space efficiency
-    ^ UNAME.py removes all instances of platform detection and leaves only the platform-required code
-    ^ THESE SCRIPTS ARE ONLY USED FOR PACKAGING AND DO NOT AFFECT THE SOURCE FILES IN THE GIT REPO
-
-<><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-
-The full history of changes to "sshyp" can be found on the following page:
-https://github.com/rwinkhart/sshyp/tree/main/extra/changelog-archive/