Port log4j-docker changes from 2.x

Author: vy

log4j-docker/pom.xml

@@ -23,13 +23,11 @@
     <version>${revision}</version>
     <relativePath>../log4j-parent</relativePath>
   </parent>
-
   <artifactId>log4j-docker</artifactId>
   <packaging>jar</packaging>
   <name>Apache Log4j Docker Library</name>
   <description>Apache Log4j Docker Support</description>
   <properties>
-    <log4jParentDir>${basedir}/..</log4jParentDir>
 
     <!--
       ~ OSGi and JPMS options
@@ -89,4 +87,5 @@
 
     </plugins>
   </build>
+
 </project>

log4j-docker/src/main/java/org/apache/logging/log4j/docker/DockerLookup.java

@@ -63,7 +63,6 @@ public DockerLookup() {
         Container current = null;
         try {
             final URL url = new URL(baseUri + "/containers/json");
-
             if (url.getProtocol().equals(HTTP)) {
                 final String macAddr = NetUtils.getMacAddressString();
                 final ObjectMapper objectMapper = new ObjectMapper();