Remove a few 'setenv's from the definition.

diff -Naur bsd-games-2.17/config.params bsd-games-patch/config.params
--- bsd-games-2.17/config.params	1970-01-01 07:00:00.000000000 +0700
+++ bsd-games-patch/config.params	2020-04-22 20:49:40.809695248 +0700
@@ -0,0 +1,16 @@
+bsd_games_cfg_do_chown=n
+bsd_games_cfg_non_interactive=y
+
+# Fix some man-pages: cfscores, morse, ppt, rot13, snscore, teachgammon.
+bsd_games_cfg_use_dot_so=syml
+
+# Don't build some games:
+# Countmail require some BSD-package called `from`.
+# DM is a toy to restrict access to bsd-games.
+# Fortune seems to be already packaged (fortune-mod).
+# Wargames isn't convenient as a game launcher.
+bsd_games_cfg_no_build_dirs="countmail dm fortune wargames"
+
+# Those are substitute*'d with GNU miscfiles.
+bsd_games_cfg_hangman_wordsfile=WORD_LIST
+bsd_games_cfg_dictionary_src=WORD_LIST
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<div class='path'>path: <a href='/guix/log/?id=88ad26487165b4829089e44beeeb0aa125bf185b'>root</a>/<a href='/guix/log/etc?id=88ad26487165b4829089e44beeeb0aa125bf185b'>etc</a>/<a href='/guix/log/etc/guix-gc.timer?id=88ad26487165b4829089e44beeeb0aa125bf185b'>guix-gc.timer</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/etc/guix-gc.timer?id=88ad26487165b4829089e44beeeb0aa125bf185b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-09-20 14:18:21 +0000'>2021-09-20</span></td><td><a href='/guix/commit/etc/guix-gc.timer?id=5c4fd77097e2cecfd4780e099af7954f86779fe1'>etc: Add systemd files for running ‘guix gc’ periodically</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-gc.service.in: New file.
* etc/guix-gc.timer: Likewise.
* .gitignore: Ignore generated ‘guix-gc.service’.
* nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and
‘guix-gc.timer’.
(EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’.
* doc/guix.texi (Binary Installation): Mention the new systemd files.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Thiago Jung Bauermann</td></tr>