Remove version number.

(cherry picked from commit 349fef72f12ea0b986435e806f6234d64925fd06)

Conflicts:
	reference/standard-library.markdown
	reference/standard-library/commands.markdown
	reference/standard-library/common.markdown
	reference/standard-library/databases.markdown
	reference/standard-library/files.markdown
	reference/standard-library/monitor.markdown
	reference/standard-library/packages.markdown
	reference/standard-library/processes.markdown
	reference/standard-library/services.markdown
	reference/standard-library/storage.markdown
	reference/standard-library/users.markdown
	reference/standard-library/vcs.markdown