Drop keyboard shortcut listings from rc.6 release docs

The Cmd/Ctrl+K command palette and the / global search shortcut are
the navigation affordances worth calling out. The g-chord shortcuts
are not a notable customer-facing feature for the rc.6 prerelease
notes; the keyboard shortcut modal already documents them in-product
for anyone who wants to discover them.

docs/releases/RELEASE_NOTES_v6_RC6_DRAFT.md

@@ -36,12 +36,6 @@ platform-shaped top-level navigation:
 In short: v5 navigation, v6 data model. Same backend, the navigation
 shape you already know.
 
-The keyboard shortcuts follow the new shape:
-
-- `g p` Proxmox, `g d` Docker, `g k` Kubernetes, `g n` TrueNAS,
-  `g v` vSphere, `g s` Machines
-- `g a` Alerts, `g r` Patrol, `g t` Settings, `?` shortcuts help
-
 The unified IA pages (`/infrastructure`, `/workloads`, `/storage`,
 `/recovery`) and their aggregate route aliases are gone. The Command
 Palette (`Cmd/Ctrl+K`) and global search (`/` to focus) still work and
@@ -196,11 +190,10 @@ substrate), and `.github/workflows` (install.sh smoke gate).
 ## Retest Plan
 
 1. Frontend information architecture: each of Proxmox, Docker,
-   Kubernetes, TrueNAS, vSphere, Machines loads as its
-   own top-level page; no `/infrastructure`, `/workloads`,
-   `/storage`, or `/recovery` aggregate routes remain; Command Palette
-   (`Cmd/Ctrl+K`) navigates across platforms; keyboard shortcuts
-   `g p / g d / g k / g n / g v / g s / g a / g r / g t` work.
+   Kubernetes, TrueNAS, vSphere, Machines loads as its own top-level
+   page; no `/infrastructure`, `/workloads`, `/storage`, or
+   `/recovery` aggregate routes remain; Command Palette
+   (`Cmd/Ctrl+K`) navigates across platforms.
 2. vSphere: VMs through workloads pipeline, network inventory, hosts
    with version and uptime, cluster services, VM hardware config,
    VMware Tools status, vCenter MoRef in workload ID column, snapshot

docs/releases/V6_CHANGELOG_RC6_DRAFT.md

@@ -80,9 +80,6 @@ platform-shaped again:
   presentation utilities are deleted as part of the same pass.
 - Drawer shells are unified across Workloads, Docker, K8s, and host
   detail drawers so the platform pages share their detail surface.
-- Keyboard shortcuts moved to platform keys: `g p` Proxmox, `g d`
-  Docker, `g k` Kubernetes, `g n` TrueNAS, `g v` vSphere, `g s`
-  Machines, `g a` Alerts, `g r` Patrol, `g t` Settings.
 
 The unified resource model and `/api/resources` contract are retained
 on the backend; the platform-shaped pages consume that contract and

docs/releases/V6_RC6_OPERATOR_SUPPORT_PACK_DRAFT.md

@@ -127,10 +127,7 @@ Use this cohort breakdown:
   pages, their aggregate route aliases, and the orphaned summary
   components and aggregate state hooks that fed them are removed.
   Drawer shells are unified across Workloads, Docker, K8s, and host
-  detail drawers so platform pages share their detail surface. The
-  keyboard shortcuts moved to platform keys: `g p` Proxmox, `g d`
-  Docker, `g k` Kubernetes, `g n` TrueNAS, `g v` vSphere, `g s`
-  Machines, `g a` Alerts, `g r` Patrol, `g t` Settings.
+  detail drawers so platform pages share their detail surface.
 - vSphere is a first-class platform in `rc.6`, parallel to Proxmox,
   Docker, Kubernetes, and TrueNAS. The surface ships VMs through the
   shared workloads pipeline, network inventory, Hosts table with