UefiCpuPkg: MpDxe: Align with CpuDxe

This commit updates MpDxe to follow CpuDxe's new behavior
and always initialize the MP Exception Stacks.

Signed-off-by: Oliver Smith-Denny <[email protected]>

Author: os-d

UefiCpuPkg/MpDxe/MpDxe.c

@@ -815,12 +815,7 @@ InitializeMpExceptionHandlers (
   //
   // Setup stack switch for Stack Guard feature.
   //
-  // MU_CHANGE START Update to use memory protection settings HOB
-  // if (PcdGetBool (PcdCpuStackGuard)) {
-  if (gDxeMps.CpuStackGuard) {
-    // MU_CHANGE END
-    InitializeMpExceptionStackSwitchHandlers ();
-  }
+  InitializeMpExceptionStackSwitchHandlers ();
 }
 
 /**