Rather than unconditionally using Mozilla's CA certificates, let the user tell
LWP's UserAgent where to find certificates with the PERL_LWP_SSL_CA_FILE,
HTTPS_CA_FILE, PERL_LWP_SSL_CA_PATH, or HTTPS_CA_DIR environment variables
instead.

--- Finance-Quote-1.37/lib/Finance/Quote/Tiaacref.pm.orig	2015-02-01 13:24:41.000000000 -0600
+++ Finance-Quote-1.37/lib/Finance/Quote/Tiaacref.pm	2015-07-07 20:09:47.278885944 -0500
@@ -30,7 +30,6 @@
 package Finance::Quote::Tiaacref;
 require 5.005;
 require LWP::Protocol::https;
-require Mozilla::CA;
 
 use strict;
 
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<tr><td><span title='2018-07-30 16:22:04 +0200'>2018-07-30</span></td><td><a href='/guix/commit/gnu/packages/nettle.scm?id=b4052c96ee252bd65ede6b7f0983942cb653a36c'>gnu: nettle: Move static libraries to separate output.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/nettle.scm (nettle-2)[outputs]: Add "static".
[arguments]: Add #:phases.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2017-11-19 17:31:58 +0200'>2017-11-19</span></td><td><a href='/guix/commit/gnu/packages/nettle.scm?id=3b2098d9f63766df52bb057633959a5305a0698a'>gnu: nettle: Update to 3.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/nettle.scm (nettle): Update to 3.4.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2016-11-27 09:44:48 +0200'>2016-11-27</span></td><td><a href='/guix/commit/gnu/packages/nettle.scm?id=31bd09e5a8136405ef6456ec9de72718a5a0740a'>gnu: nettle: Update to 3.3.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/nettle.scm (nettle): Update to 3.3.
[home-page]: Use https.
</span></span></td><td>Efraim Flashner</td></tr>