Remove unneeded todos (#5900)

Author: dagnir

services-custom/dynamodb-enhanced/src/main/java/software/amazon/awssdk/enhanced/dynamodb/mapper/ImmutableTableSchema.java

@@ -333,15 +333,13 @@ private static EnhancedType<?> convertTypeToEnhancedType(Type type,
             if (clazz.getAnnotation(DynamoDbImmutable.class) != null) {
                 return EnhancedType.documentOf(
                     (Class<Object>) clazz,
-                    // TODO
                     (TableSchema<Object>) ImmutableTableSchema.recursiveCreate(clazz,
                                                                                lookup,
                                                                                metaTableSchemaCache),
                     attrConfiguration);
             } else if (clazz.getAnnotation(DynamoDbBean.class) != null) {
                 return EnhancedType.documentOf(
                     (Class<Object>) clazz,
-                    // TODO
                     (TableSchema<Object>) BeanTableSchema.recursiveCreate(clazz,
                                                                           lookup,
                                                                           metaTableSchemaCache),