Fix additional lookup on Remove

Author: h3xds1nz

src/Microsoft.DotNet.Wpf/src/Shared/MS/Internal/SizeLimitedCache.cs

@@ -146,11 +146,9 @@ public void Remove(K key)
         {
             ArgumentNullException.ThrowIfNull(key, nameof(key));
 
-            if (!_nodeLookup.TryGetValue(key, out Node node))
+            if (!_nodeLookup.Remove(key, out Node node))
                 return;
 
-            _nodeLookup.Remove(key);
-
             if (!node.IsPermanent)
                 RemoveFromList(node);
             else