misc: chore: Use collection expressions in Cpu

src/Ryujinx.Cpu/Jit/HostTracked/AddressSpacePartitioned.cs

@@ -21,7 +21,7 @@ namespace Ryujinx.Cpu.Jit.HostTracked
         public AddressSpacePartitioned(MemoryTracking tracking, MemoryBlock backingMemory, NativePageTable nativePageTable, bool useProtectionMirrors)
         {
             _backingMemory = backingMemory;
-            _partitions = new();
+            _partitions = [];
             _asAllocator = new(tracking, nativePageTable.Read, _partitions);
             _updatePtCallback = nativePageTable.Update;
             _useProtectionMirrors = useProtectionMirrors;

src/Ryujinx.Cpu/Jit/MemoryManagerHostMapped.cs

@@ -340,7 +340,7 @@ namespace Ryujinx.Cpu.Jit
         {
             int pages = GetPagesCount(va, (uint)size, out va);
 
-            List<MemoryRange> regions = new();
+            List<MemoryRange> regions = [];
 
             ulong regionStart = GetPhysicalAddressChecked(va);
             ulong regionSize = PageSize;

src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs

@@ -443,7 +443,7 @@ namespace Ryujinx.Cpu.Jit
                 return null;
             }
 
-            List<HostMemoryRange> regions = new();
+            List<HostMemoryRange> regions = [];
             ulong endVa = va + size;
 
             try