Revert "Allow Icinga to send (kill-) signal to nagios plugins in SELinux Policy"

This reverts commit cda58a8.

Author: ETES-Stuttgart

tools/selinux/icinga2.te

@@ -102,10 +102,6 @@ allow icinga2_t self:unix_stream_socket create_stream_socket_perms;
 
 allow icinga2_t icinga2_exec_t:file execute_no_trans;
 
-allow icinga2_t nagios_mail_plugin_exec_t:process signal;
-allow icinga2_t nagios_checkdisk_plugin_t:process signal;
-allow icinga2_t nagios_unconfined_plugin_t:process signal;
-
 list_dirs_pattern(icinga2_t, icinga2_etc_t, icinga2_etc_t)
 read_files_pattern(icinga2_t, icinga2_etc_t, icinga2_etc_t)
 read_lnk_files_pattern(icinga2_t, icinga2_etc_t, icinga2_etc_t)