Remove unused imports and empty loop.

Author: kevinsawicki

src/main/java/hudson/plugins/git/GitAPI.java

@@ -14,7 +14,6 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
-import java.io.PrintStream;
 import java.io.StringReader;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -53,10 +52,6 @@ public GitAPI(String gitExe, FilePath workspace,
         this.listener = listener;
         this.gitExe = gitExe;
         this.environment = environment;
-        PrintStream log = listener.getLogger();
-        for (Map.Entry<String, String> ent : environment.entrySet()) {
-            //log.println("Env: " + ent.getKey() + "=" + ent.getValue());
-        }
 
         launcher = new LocalLauncher(GitSCM.VERBOSE?listener:TaskListener.NULL);
     }

src/main/java/hudson/plugins/git/util/BuildData.java

@@ -1,6 +1,5 @@
 package hudson.plugins.git.util;
 
-import hudson.Util;
 import hudson.model.AbstractBuild;
 import hudson.model.Action;
 import hudson.model.Api;