删除不必要的代码

pom.xml

@@ -84,13 +84,6 @@
                 <version>${druid.version}</version>
             </dependency>
 
-            <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
-            <dependency>
-                <groupId>com.alibaba</groupId>
-                <artifactId>fastjson</artifactId>
-                <version>1.2.46</version>
-            </dependency>
-
             <!--swagger-->
             <dependency>
                 <groupId>io.springfox</groupId>