Use pam_umask.so in system-login

To allow a centralized umask setup, we can rely on pam_umask.so.
This allows for relying on `UMASK` and `HOME_MODE` in /etc/login.defs
and not requiring a custom umask setting in /etc/profile anymore.
https://bugs.archlinux.org/task/66068



Signed-off-by: David Runge <dvzrv@archlinux.org>

PKGBUILD

@@ -26,13 +26,13 @@ source=(
 )
 sha512sums=('af25e6428930c3e915d9052d091f8bd5db050bcc4f07eb05fe84c101589d2817ad4fbd1471a7ab5da366e89f9bdab8e2113b3932bd4bfe888a1301f027b2ae1a'
             '83cc3d84ef5afded9afd4d347132901b9adcbd8b21be45b80d010370a2082e8388a713eb78d052944bc47b07fd7383edf18e2674d9d0545215cc45e14a2e14b1'
-            'caa11946510c20d7d6429a941952f4831091c89e018cbcbedadf9a563f364c060b8d88abc1331db8cc62d0f0b52cd9b106a99a994602f140a5f04f3124d6ae36'
+            'aebf4dcbc2df04bba551a921355f545ebf3ba5b1ee949de8e151ee1f42884d5a2e5e7cbe866238c60e4b16a6e0d919ab84b57ad54cb430ff3c9a20ddb3222ea6'
             '83cc3d84ef5afded9afd4d347132901b9adcbd8b21be45b80d010370a2082e8388a713eb78d052944bc47b07fd7383edf18e2674d9d0545215cc45e14a2e14b1'
             '5c2947f8644803783d19cc97ddc19fdaa234dac41a939edd32c9452e78bb2a4751bceeb4737d0791fb122ca932b8b941aab869b6dec3146bf90e94517d31724a'
             'df554f70f017dd3f6023a3c62b95d19123eaf41c08deaac0c4bc343fcce6eeefcf468910f7cb9ba58ee2846abb88091d18d718eb0228e38f6ce26ebced94c407')
 b2sums=('189fb86628a959e53512e16ac506b4e925d0005f4cd19289f23c0c7c70ac961f7750f784ae3d7948d0d3320813af1ad53044f8f763c66fd4a1e403f2e8e7bd0c'
         '900a5250f5a9e464c1c3ab8fc112475c99f4d76b597abf362041b661707dcc458cd385fd2cfeecf1ba9e3e831176ca8d183cffc9a913fb79e8ddcaa68223a7e6'
-        '0b9e817d51ee4fcb25ac769693ecc557ede1cd3ec502d41b90cb7f0a505967dc3803231cf860e2f1c58aeb7395719fd6f30bd89702dfda40a61b55e720c4958f'
+        '46a76303623e08fbcada2fdf868b8885afc540c5db88da6d941f29f845e7a9c97fbc6d03002133b7a0117cb9c9c13749745384e25b72408812d01706c4fa6a2f'
         '900a5250f5a9e464c1c3ab8fc112475c99f4d76b597abf362041b661707dcc458cd385fd2cfeecf1ba9e3e831176ca8d183cffc9a913fb79e8ddcaa68223a7e6'
         'e11e8959c961036a384016096f0fce0696d8a3ecc63d0d12d8016cc7c27a7afc80f8580ab639c97360aed0d49af3159462d85260b4404b9d65963f440eb77243'
         '3de32ccd196fecaf0a3cce8e61867f93f85fff651044519d8521a28d9f8d6ddaf51f3e30eac4979884c505f9f52d01f458e5bccc5d5adc4f1d7d372068dd02da')

system-login

@@ -15,5 +15,6 @@ session    optional   pam_keyinit.so       force revoke
 session    include    system-auth
 session    optional   pam_motd.so
 session    optional   pam_mail.so          dir=/var/spool/mail standard quiet
+session    optional   pam_umask.so
 -session   optional   pam_systemd.so
 session    required   pam_env.so