Upgrade build files to proper JDK version

complete/pom.xml

@@ -37,16 +37,4 @@
         </plugins>
     </build>
 
-    <repositories>
-        <repository>
-            <id>spring-releases</id>
-            <url>https://repo.spring.io/libs-release</url>
-        </repository>
-    </repositories>
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-releases</id>
-            <url>https://repo.spring.io/libs-release</url>
-        </pluginRepository>
-    </pluginRepositories>
 </project>

initial/pom.xml

@@ -37,16 +37,4 @@
         </plugins>
     </build>
 
-    <repositories>
-        <repository>
-            <id>spring-releases</id>
-            <url>https://repo.spring.io/libs-release</url>
-        </repository>
-    </repositories>
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-releases</id>
-            <url>https://repo.spring.io/libs-release</url>
-        </pluginRepository>
-    </pluginRepositories>
 </project>