xbps-{install,remove,query}: add page; xbps: update page (#10354)

* xbps-query: add page

* xbps: remove examples and add redirections to subpages

* xbps-install: add page

* xbps-remove: add page

* xbps*: `package_name` => `package`

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/xbps-remove.md

@@ -0,0 +1,21 @@
+# xbps-remove
+
+> XBPS utility to remove packages.
+> See also: `xbps`.
+> More information: <https://man.voidlinux.org/xbps-remove.1>.
+
+- Remove a package:
+
+`xbps-remove {{package}}`
+
+- Remove a package and its dependencies:
+
+`xbps-remove --recursive {{package}}`
+
+- Remove orphan packages (installed as dependencies but no longer required by any package):
+
+`xbps-remove --remove-orphans`
+
+- Remove obsolete packages from the cache:
+
+`xbps-remove --clean-cache`