Remove naive Maven logger

Author: jeffgbutler

core/mybatis-generator-maven-plugin/src/main/java/org/mybatis/generator/maven/MavenLogFactory.java

@@ -43,7 +43,6 @@
 import org.mybatis.generator.internal.util.ClassloaderUtility;
 import org.mybatis.generator.internal.util.StringUtility;
 import org.mybatis.generator.internal.util.messages.Messages;
-import org.mybatis.generator.logging.LogFactory;
 
 /**
  * Goal which generates MyBatis artifacts.
@@ -164,8 +163,6 @@ public void execute() throws MojoExecutionException {
 
         saveClassLoader();
 
-        LogFactory.setLogFactory(new MavenLogFactory(this));
-
         calculateClassPath();
 
         // add resource directories to the classpath.  This is required to support