I need urgent suggestion ->free

hi,
i had:
free -mh
total used free shared buff/cache available
83G 66G 11G 2.5G 5.2G 11G
Swap:15G 265M 15G

after swapoff -a;swapon -a
free -mh
total used free shared buff/cache available
83G 70G 7.6G 4.4G 5.1G 7.0G
Swap: 15G 276M 15G

I wish to clean the shared ->is tmpfs
mount
tmpfs on /run type tmpfs )

>du -sh /run
4.1G /run

how i clean up this /run?
is there any problem if i delete the files in /run?
ls /run
atd.pid faillock net-snmp samba systemd
auditd.pid gssproxy.pid oddjobd.pid screen tmpfiles.d
blkid gssproxy.sock plymouth sepermit tuned
clamd.scan initramfs rhnsd.pid setrans udev
console lock rhsm sm-notify.pid user
crond.pid log rpcbind sshd.pid utmp
cron.reboot lvm rpcbind.lock sssd.pid zabbix
dbus lvmetad.pid rpcbind.sock sudo
dmeventd-client mount rpc.statd.lock sysconfig
dmeventd-server netreport rpc.statd.pid syslogd.pi