fix(接口测试): swagger3导入对json 数据的处理

--user=郭雨琦
--bug=1014753
https://www.tapd.cn/55049933/bugtrace/bugs/view/1155049933001014753

backend/src/main/java/io/metersphere/api/dto/definition/parse/Swagger3Parser.java

@@ -477,14 +477,6 @@ public class Swagger3Parser extends SwaggerAbstractParser {
         } else if (schema instanceof ObjectSchema) {
             item.setType("object");
             item.setProperties(parseSchemaProperties(schema, refSet));
-        } else if (schema instanceof StringSchema) {
-            item.setType("string");
-        } else if (schema instanceof IntegerSchema) {
-            item.setType("integer");
-        } else if (schema instanceof NumberSchema) {
-            item.setType("number");
-        } else if (schema instanceof BooleanSchema) {
-            item.setType("boolean");
         } else {
             return null;
         }