JAVA-5223: Fix formatting of POMs (Part 2)

checker-plugin/pom.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="http://maven.apache.org/POM/4.0.0"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
@@ -69,7 +68,6 @@
                         <!-- location of the annotated JDK, which comes from a Maven dependency -->
                         <arg>-Xbootclasspath/p:${annotatedJdk}</arg>
                         <!-- -->
-
                         <!-- Uncomment the following line to use the type annotations compiler. -->
                         <!-- <arg>-J-Xbootclasspath/p:${typeAnnotationsJavac}</arg> -->
                         <!-- Uncomment the following line to turn type-checking warnings into errors. -->
@@ -91,4 +89,4 @@
         <checkerframework.compiler.version>2.3.1</checkerframework.compiler.version>
     </properties>
 
-</project>
+</project>