去除无效代码，规范代码

framework/pom.xml

@@ -14,6 +14,8 @@
     <packaging>jar</packaging>
 
     <properties>
+        <java.version>1.8</java.version>
+
         <swagger-bootstrap-ui-version>1.9.6</swagger-bootstrap-ui-version>
         <alipay-sdk-version>4.13.40.ALL</alipay-sdk-version>
         <mysql-connector-version>5.1.48</mysql-connector-version>
@@ -39,7 +41,6 @@
         <beetl-version>2.9.10</beetl-version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>1.8</java.version>
         <skipTests>true</skipTests>
         <knife4j.version>2.0.8</knife4j.version>
         <de.codecentric>2.3.1</de.codecentric>