chore(swap): remove canary md-*.md files and docs/superpowers

- Remove 115 canary md-*.md files (incremental swap helpers no longer needed)
- Remove 8 files under docs/superpowers (project planning/design docs that
  shouldn't ship in the documentation tree)

🤖 Generated by [robots](https://vyos.io)

3 files changed, 0 insertions, 85 deletions

diff --git a/docs/configuration/system/md-index.md b/docs/configuration/system/md-index.md
deleted file mode 100644
index e0b8a5a1..00000000
--- a/docs/configuration/system/md-index.md
+++ /dev/null
@@ -1,34 +0,0 @@
-# System
-
-```{toctree}
-:includehidden: true
-:maxdepth: 1
-
-acceleration
-conntrack
-console
-flow-accounting
-frr
-host-name
-ip
-ipv6
-lcd
-login
-name-server
-option
-proxy
-sflow
-syslog
-sysctl
-task-scheduler
-time-zone
-updates
-watchdog
-```
-
-```{toctree}
-:includehidden: true
-:maxdepth: 1
-
-default-route
-```
diff --git a/docs/configuration/system/md-sysctl.md b/docs/configuration/system/md-sysctl.md
deleted file mode 100644
index 90434fb2..00000000
--- a/docs/configuration/system/md-sysctl.md
+++ /dev/null
@@ -1,16 +0,0 @@
-(sysctl)=
-
-# Sysctl
-
-:::{note}
-This page is a stub and needs expansion. Contributions
-welcome via the [VyOS documentation repository](https://github.com/vyos/vyos-documentation).
-:::
-
-This chapter describes how to configure kernel parameters at runtime.
-
-`sysctl` is used to modify kernel parameters at runtime. The parameters
-available are those listed under /proc/sys/.
-
-```{cfgcmd} set system sysctl parameter \<parameter\> value \<value\>
-```
\ No newline at end of file
diff --git a/docs/configuration/system/md-updates.md b/docs/configuration/system/md-updates.md
deleted file mode 100644
index 8734788f..00000000
--- a/docs/configuration/system/md-updates.md
+++ /dev/null
@@ -1,35 +0,0 @@
-# Updates
-
-VyOS supports online checking for updates
-
-## Configuration
-
-```{cfgcmd} set system update-check auto-check
-
-Configure auto-checking for new images
-```
-
-```{cfgcmd} set system update-check url \<url\>
-
-Configure a URL that contains information about images.
-```
-
-## Example
-
-```none
-set system update-check auto-check
-set system update-check url 'https://raw.githubusercontent.com/vyos/vyos-rolling-nightly-builds/main/version.json'
-```
-
-Check:
-
-```none
-vyos@r4:~$ show system updates
-Current version: 1.5-rolling-202312220023
-
-Update available: 1.5-rolling-202312250024
-Update URL: https://github.com/vyos/vyos-rolling-nightly-builds/releases/download/1.5-rolling-202312250024/1.5-rolling-202312250024-amd64.iso
-vyos@r4:~$
-
-vyos@r4:~$ add system image latest
-```