op-mode: T4038: Remove legacy `vyatta-image-tools.pl`

T905: Delete old op-mode command show remote-config

T5247: T2556: Delete deprecated commans show interfaces system and vrrp

The op-mode command `show remote-config` did not work for several
years. Since it uses the old b...

Delete deprecated op-mode comamnds:
- show interfaces system
- show interfaces vrrp

```
vyos@...

image: T4516: remove templates now in vyos-1x

remote: T5726: Replace the download procedure call

T5693: Adding variable vyos_persistence_dir (and improve variable vyos_rootfs_dir)

op-mode: T3355: remove reference to scripts/show-dhcp-leases.pl

op-mode: T3355: Remove deadweight legacy script

T5690: change to definition of environment variable 'vyos_rootfs_dir' is incorrect

This reverts commit 6b03f6864063bc0ab95191b8c5e418d482baf076.

op-mode: T5642: Removed unused template "generate tech-support archive"

Removed unused template "generate tech-support archive"

op-mode: raid: T5608: add/delete raid template now in vyos-1x

T671: remove the old tech-support report implementation

T671: remove scripts that are either unused or about to be replaced

T671: remove the show DMI script

T5461: Improve rootfs directory variable

T5457: Add environmental variable pointing to current rootfs directory

T3355: migrate "show dhcp client" commands to vyos-1x

Old Vyatta had a possibility to issue log entries to the users console based
on a service.

Exam...

T671: remove unused scripts

* vyatta-gettime.pl
* vyatta-show-current-user
* vyatta-regen-unpriv-commands.sh
* vyatta-monitor...

interfaces: T5130: remove show/interfaces/node.def, defined in vyos-1x

interfaces: T4885: remove templates now handled by vyos-1x

op-mode: T4606: Fix monitor nat src|dst translation

A quick fix for "monitor nat source|destination translations"
Due to old Perl script "vyatta-nat...

tech-support-archive: T4377: Exclude saving archives to a new archive.

The commit fixes problem with saving archives to a new archive.

images management: T4113: Improved GRUB config parsing

The commit fixes two problems with GRUB configuration items parser:
* items with only one `conso...

raid: T4104: restore boot sector when new raid member is added

after moving to an overlay for / this change is required when a new RAID
member is added to the ...

T3950: Use friendly_download instead of regular download

op-mode: T3582: Fix the function of "delete log file" command

Added the compeletion help to show the list of the files and also changed
the command to delete ...

op-mode clear: interfaces dummy: T3623

Fixed the completion help for the operational command "clear interfaces dummy"
where it was not ...

T3356: Replace vyatta-remote-copy.pl with remote.py

T3354: Replace vyos-strip-config.pl with strip-private.py

Monitor vpn ipsec:T3387: The operational command "monitor vpn ipsec" is not working

Changes are made in the script files
vyatta-op/templates/monitor/vpn/all/node.def
...

Commit 37f55704b56 ("T1287: wide-dhcp6c does not support a "show dhcpv6 client
leases") dropped ...

fix ping allowed context error.(when press tab)

Migrate to vyos-1x
* show interfaces tunnel ...
* show interfaces input ...
* show interfaces ps...

- show interfaces ethernet eth0 physical
- show interfaces ethernet eth0 physical offload
- show...