Fixed the whiteline removal for the schemaLocations when already properly migrated

Author: Jenson3210

src/test/java/org/openrewrite/java/migrate/jakarta/JavaxWebXmlToJakartaWebXmlTest.java

@@ -172,7 +172,7 @@ void alreadyMigrated() {
                   <web-app xmlns="https://jakarta.ee/xml/ns/jakartaee"
                            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                            xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee
-                            https://jakarta.ee/xml/ns/jakartaee/web-app_5_3.xsd"
+                            https://jakarta.ee/xml/ns/jakartaee/web-app_5_0.xsd"
                            version="5.0">
                       <display-name>Unit testing</display-name>
                   </web-fragment>