misc: chore: Use collection expressions in HLE project

src/Ryujinx.HLE/HOS/Kernel/Common/KResourceLimit.cs

@@ -29,7 +29,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
             _current2 = new long[(int)LimitableResource.Count];
             _peak = new long[(int)LimitableResource.Count];
 
-            _waitingThreads = new LinkedList<KThread>();
+            _waitingThreads = [];
         }
 
         public bool Reserve(LimitableResource resource, ulong amount)

src/Ryujinx.HLE/HOS/Kernel/Common/KSynchronizationObject.cs

@@ -9,7 +9,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
 
         public KSynchronizationObject(KernelContext context) : base(context)
         {
-            WaitingThreads = new LinkedList<KThread>();
+            WaitingThreads = [];
         }
 
         public LinkedListNode<KThread> AddWaitingThread(KThread thread)

src/Ryujinx.HLE/HOS/Kernel/Common/KTimeManager.cs

@@ -34,7 +34,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
         public KTimeManager(KernelContext context)
         {
             _context = context;
-            _waitingObjects = new List<WaitingObject>();
+            _waitingObjects = [];
             _keepRunning = true;
 
             Thread work = new(WaitAndCheckScheduledObjects)

src/Ryujinx.HLE/HOS/Kernel/Common/KernelInit.cs

@@ -72,13 +72,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
 
             servicePool = new MemoryRegion(DramMemoryMap.SlabHeapEnd, servicePoolSize);
 
-            return new[]
-            {
+            return
+            [
                 GetMemoryRegion(applicationPool),
                 GetMemoryRegion(appletPool),
                 GetMemoryRegion(servicePool),
-                GetMemoryRegion(nvServicesPool),
-            };
+                GetMemoryRegion(nvServicesPool)
+            ];
         }
 
         private static KMemoryRegionManager GetMemoryRegion(MemoryRegion region)