docs: purge the retired workstation from auto-learned memory and the backup snapshot

Finishes the purge. These two surfaces were left out of the earlier commit
because the memory store is auto-generated, but both are read back into every
future session, so the name was still reaching the agent.

58 sites across 16 files: hostname, both LAN addresses, the SSID. Special-cased
the compound names a blind token swap breaks ('dank@the workstation/dankclaw',
'on the workstation/Dankclaw/Dankserver') and reworded the four that came out
ungrammatical. Facts kept: the hardware inventory of the box, the noctalia
architecture history, and today's own purge lessons all survive intact — only
the identifiers are gone.

Non-memory: the tracked .pre-pull-backup snapshot of a managed skill, whose
live counterpart was already clean.

agent/memories/--home-dank-.omp--/MEMORY.md

@@ -11,7 +11,7 @@
 
 ## Desktop & Compositor
 - **Compositor**: `niri` (Wayland). Config in `~/.config/niri/cfg/misc.kdl`
-- **Desktop Environment**: `noctalia v5` runs bare natively on `dankware` & `blankpad`
+- **Desktop Environment**: `noctalia v5` runs bare natively on the workstation & `blankpad`
   - Live runtime flip via `qs -c host` → kill & launch bare via spawn-at-startup. Single-instance guard absorbs overlap.
   - Unified lock chain: `swayidle-lock.service` uses `/usr/bin/noctalia msg session lock` (3 triggers). Resolves via D-Bus session bus (no `WAYLAND_DISPLAY` pinning).
   - Keybinds: Rewritten for v5 `msg` verbs. Config reload uses `kill -USR1 $(pidof niri)`.