BAEL-5246: pom cleanup (#4620)

* BAEL-5246: round 1 of pom cleanup - upto "jersey" project

* BAEL-5246: Initial pass for pom cleanup - upto spring-cloud

* BAEL-5246: pom cleanup upto testing-modules/junit5

* BAEL-5246: pom cleanup - upto xstream

* BAEL-5246: pom cleanup - last round (before review)

xmlunit-2/pom.xml

@@ -1,5 +1,5 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>xmlunit-2</artifactId>
@@ -17,7 +17,6 @@
             <artifactId>xmlunit-matchers</artifactId>
             <version>${xmlunit.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.xmlunit</groupId>
             <artifactId>xmlunit-core</artifactId>
@@ -27,7 +26,6 @@
     </dependencies>
 
     <properties>
-
         <!-- testing -->
         <xmlunit.version>2.3.0</xmlunit.version>
     </properties>