Removed domain from translation context

Author: papafe

src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/MemberInitExpressionToAggregationExpressionTranslator.cs

@@ -120,7 +120,7 @@ private static BsonClassMap CreateClassMap(TranslationContext context, Type clas
                 creatorMap = null;
             }
 
-            classMap.AutoMap(context.SerializationDomain);
+            classMap.AutoMap();
             classMap.IdMemberMap?.SetElementName("_id"); // normally happens when Freeze is called but we need it sooner here
 
             return classMap;

src/MongoDB.Driver/Linq/Linq3Implementation/Translators/TranslationContext.cs

@@ -32,35 +32,31 @@ public static TranslationContext Create(
         {
             var symbolTable = new SymbolTable();
             var nameGenerator = new NameGenerator();
-            return new TranslationContext(symbolTable, nameGenerator, translationOptions, BsonSerializer.DefaultSerializationDomain, data); //TODO It'll be annoying to pass the serialization domain in the call here
+            return new TranslationContext(symbolTable, nameGenerator, translationOptions, data); //TODO It'll be annoying to pass the serialization domain in the call here
         }
         #endregion
 
         // private fields
         private readonly TranslationContextData _data;
         private readonly NameGenerator _nameGenerator;
-        private readonly IBsonSerializationDomain _serializationDomain;
         private readonly SymbolTable _symbolTable;
         private readonly ExpressionTranslationOptions _translationOptions;
 
         private TranslationContext(
             SymbolTable symbolTable,
             NameGenerator nameGenerator,
             ExpressionTranslationOptions translationOptions,
-            IBsonSerializationDomain serializationDomain,
             TranslationContextData data = null)
         {
             _symbolTable = Ensure.IsNotNull(symbolTable, nameof(symbolTable));
             _nameGenerator = Ensure.IsNotNull(nameGenerator, nameof(nameGenerator));
             _translationOptions = translationOptions ?? new ExpressionTranslationOptions();
-            _serializationDomain = Ensure.IsNotNull(serializationDomain, nameof(serializationDomain));
             _data = data; // can be null
         }
 
         // public properties
         public TranslationContextData Data => _data;
         public NameGenerator NameGenerator => _nameGenerator;
-        public IBsonSerializationDomain SerializationDomain => _serializationDomain;
         public SymbolTable SymbolTable => _symbolTable;
         public ExpressionTranslationOptions TranslationOptions => _translationOptions;