local/docs/DRM-MODERNIZATION-EXECUTION-PLAN.md: fix deleted + wrong-path cross-refs

D7 validation: 3 stale refs remained after cleanup.
- Removed DESKTOP-STACK-CURRENT-STATUS.md ref (file deleted)
- Removed docs/QUIRKS-IMPROVEMENT-PLAN.md ref (correct path is local/docs/)
- Verified all remaining refs resolve.

(NO AI attribution)

local/docs/DRM-MODERNIZATION-EXECUTION-PLAN.md

@@ -446,7 +446,7 @@ It does require equal honesty.
 ### Priority 1, remove claim drift
 
 - update status language anywhere display progress might be read as hardware render support
-- keep `(deleted in P0 archive cleanup)`, this plan, and `local/docs/DESKTOP-STACK-CURRENT-STATUS.md` aligned
+- keep `local/docs/CONSOLE-TO-KDE-DESKTOP-PLAN.md`, this plan, and the current GPU/desktop execution language aligned
 - keep Track C language in `local/docs/CONSOLE-TO-KDE-DESKTOP-PLAN.md` aligned with this DRM plan
 
 ### Priority 2, converge on one shared policy source
@@ -483,7 +483,7 @@ It does require equal honesty.
 | `local/docs/CONSOLE-TO-KDE-DESKTOP-PLAN.md` | Canonical desktop execution plan. This DRM plan is a lower-level execution plan for its hardware GPU track. |
 | `(deleted in P0 archive cleanup)` | Current factual assessment of the render-path gap. |
 | `(deleted in P0 archive cleanup)` | Detailed buffer-sharing and PRIME work beneath the render path. |
-| `local/docs/DESKTOP-STACK-CURRENT-STATUS.md` | Current truth summary for package, runtime, and session state. |
+| `local/docs/CONSOLE-TO-KDE-DESKTOP-PLAN.md` | Canonical desktop execution plan and current truth summary for package, runtime, and session state. |
 
 ## Final operating rule