bug#35395: GUIX website redirections are failing

[Boruch Baum]

The guix homepage[1] links to other pages[2][3] that claim "Redirecting
to the new page location... ", but they don't, at least not for me using
emacs-w3m and firefox-esr v60.

This is also the case from the guix 'help' page[4] link to the system
manual[5]. Other links[6][7] on that page do work.

references:
[1] https://www.gnu.org/software/guix/
[2] https://www.gnu.org/software/guix/manual/html_node/Features.html
[3] 
https://www.gnu.org/software/guix/manual/html_node/Using-the-Configuration-System.html
[4] https://www.gnu.org/software/guix/help/
[5] https://www.gnu.org/software/guix/manual/html_node/GNU-Distribution.html
[6] https://www.gnu.org/manual/
[7] https://www.gnu.org/software/guix/manual/

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