Remove System Info from the admin panel
### Overview
The System Info page is inaccurate and doesn't have a strong use case.
### Proposal
* Remove the System Info page from the admin panel.
* Use Logs as the first page in the Monitoring sidebar item.
### Example of incorrect info
The Disk Usage in the admin/system_info is wrong, the value displayed is ten times the real value.
-----------------------
Disk Usage in admin/system_info:

-----------------------
The df -h show:

issue