chore(example): Removed useless code block into pom.xml

examples/simple/pom.xml

@@ -10,6 +10,7 @@
   <name>simple</name>
 
   <properties>
+    <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <start-class>com.example.simple.App</start-class>
@@ -46,7 +47,6 @@
             <goals>
               <goal>unpack</goal>
             </goals>
-
             <configuration>
               <artifactItems>
                 <artifactItem>
@@ -59,11 +59,9 @@
                 </artifactItem>
               </artifactItems>
             </configuration>
-
           </execution>
         </executions>
       </plugin>
-
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
@@ -72,20 +70,6 @@
           <target>9</target>
         </configuration>
       </plugin>
-
-<!--      <plugin>-->
-<!--        <groupId>org.codehaus.mojo</groupId>-->
-<!--        <artifactId>native-maven-plugin</artifactId>-->
-<!--        <version>1.0-alpha-9</version>-->
-<!--        <execution>-->
-<!--          <id>unpack</id>-->
-<!--          <phase>package</phase>-->
-<!--          <goals>-->
-<!--            <goal>unpack</goal>-->
-<!--          </goals>-->
-<!--        </execution>-->
-<!--      </plugin>-->
-
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>