Removes non-standard properties from field objects (#2117)

Reverts #2116

Author: IvanGoncharov

src/type/definition.js

@@ -791,7 +791,6 @@ function defineFieldMap<TSource, TContext>(
     }));
 
     return {
-      ...fieldConfig,
       name: fieldName,
       description: fieldConfig.description,
       type: fieldConfig.type,
@@ -1424,7 +1423,6 @@ function defineInputFieldMap(
     );
 
     return {
-      ...fieldConfig,
       name: fieldName,
       description: fieldConfig.description,
       type: fieldConfig.type,