MsCorePkg: Remove the non-existent header files in aarch64

[qaz6750]

Description

As stated in #895, this header file no longer exists, and the issue has been fixed in X64. However, Aarch64 was overlooked, so it should be applied to AArch64 as well.

• Impacts functionality?
• Impacts security?
• Breaking change?
• Includes tests?
• Includes documentation?

How This Was Tested

N/A

Integration Instructions

N/A

[mu-automation]

❌ QEMU Validation Failed

Source Dependencies

Repository	Commit
mu_plus	74a9c87
mu_tiano_platforms	877ea2f

Results

Platform	Target	Build	Boot	Overall Boot Time	Build Logs	Boot Logs
Q35	DEBUG	✅ success	❌ failure	5m 0s (timed out)	Build Logs	Boot Logs
ArmVirt	DEBUG	✅ success	✅ success	0m 14s	Build Logs	Boot Logs

Workflow run: https://github.com/microsoft/mu_plus/actions/runs/27690530666

This comment was automatically generated by the Mu QEMU PR Validation workflow.

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Removes an unused protocol header include from the AArch64 memory protection exception handler library to simplify dependencies.

Changes:

• Dropped Protocol/MemoryProtectionNonstopMode.h include from MemoryProtectionExceptionHandlerLibAArch64.c

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (release/202511@6dca0d3). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release/202511    #899   +/-   ##
================================================
  Coverage                  ?   1.30%           
================================================
  Files                     ?      56           
  Lines                     ?    6902           
  Branches                  ?      51           
================================================
  Hits                      ?      90           
  Misses                    ?    6812           
  Partials                  ?       0           

Flag	Coverage Δ
MsCorePkg	1.30% <ø> (?)

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