edit dconf_gnome_disable_ctrlaltdel_reboot oval and bash

[cyarbrough76]

Description:

• changed values and formatting per STIG requirement

[mildas]

Changes identified:
Rule dconf_gnome_disable_ctrlaltdel_reboot:
 Template usage changed in ansible remediation.
 Text changed in OVAL check.

Recommended tests to execute:
 build_product rhel7
 tests/test_suite.py rule --libvirt qemu:///system test-suite-vm --remediate-using bash --datastream build/ssg-rhel7-ds.xml dconf_gnome_disable_ctrlaltdel_reboot

[vojtapolasek]

Thank you very much for this fix. Looks good. Could you please modify the Ansible remediation and rule.yml to stay consistent?

[vojtapolasek]

Modifications to this reul were performed in #5993
Therefore I am closing this.