Remove unused member

_comparer is never used.

Author: NN---

CodeJam.Main/Collections/Dictionary/LazyDictionary`2.cs

@@ -13,7 +13,6 @@ namespace CodeJam.Collections
 	public class LazyDictionary<TKey, TValue> : ILazyDictionary<TKey, TValue>
 	{
 		private readonly Func<TKey, TValue> _valueFactory;
-		private readonly IEqualityComparer<TKey> _comparer;
 		private readonly Dictionary<TKey, TValue> _map;
 
 		/// <summary>
@@ -26,7 +25,6 @@ public LazyDictionary([NotNull] Func<TKey, TValue> valueFactory, IEqualityCompar
 			Code.NotNull(valueFactory,nameof(valueFactory));
 
 			_valueFactory = valueFactory;
-			_comparer = comparer;
 			_map = new Dictionary<TKey, TValue>(comparer);
 		}
 
@@ -86,4 +84,4 @@ IEnumerator<KeyValuePair<TKey, TValue>> IEnumerable<KeyValuePair<TKey, TValue>>.
 		public IEnumerable<TValue> Values => _map.Values;
 		#endregion
 	}
-}
+}