Remove unused imports to clean up sonar warnings.refs/changes/53/6553/1

Change-Id: I2d93ec4b208d04162265963ad520c433de2c6f3b

3 files changed, 4 insertions, 24 deletions

diff --git a/hudson-core/src/main/java/hudson/model/CheckPoint.java b/hudson-core/src/main/java/hudson/model/CheckPoint.java
index 2d026ae..9ae9ecd 100644
--- a/hudson-core/src/main/java/hudson/model/CheckPoint.java
+++ b/hudson-core/src/main/java/hudson/model/CheckPoint.java
@@ -16,12 +16,6 @@
 
 package hudson.model;
 
-import hudson.tasks.BuildStep;
-import hudson.tasks.Recorder;
-import hudson.tasks.Builder;
-import hudson.tasks.junit.JUnitResultArchiver;
-import hudson.scm.SCM;
-
 /**
  * Provides a mechanism for synchronizing build executions in the face of concurrent builds.
  *
diff --git a/hudson-core/src/main/java/hudson/security/CliAuthenticator.java b/hudson-core/src/main/java/hudson/security/CliAuthenticator.java
index 677896a..6144cf8 100644
--- a/hudson-core/src/main/java/hudson/security/CliAuthenticator.java
+++ b/hudson-core/src/main/java/hudson/security/CliAuthenticator.java
@@ -16,15 +16,9 @@
 
 package hudson.security;
 
-import hudson.cli.CLICommand;
-import hudson.model.Hudson;
+import java.io.IOException;
 import org.springframework.security.Authentication;
 import org.springframework.security.AuthenticationException;
-import org.kohsuke.args4j.Argument;
-import org.kohsuke.args4j.CmdLineParser;
-import org.kohsuke.args4j.Option;
-
-import java.io.IOException;
 
 /**
  * Handles authentication for CLI commands.
diff --git a/hudson-core/src/main/java/hudson/tasks/BuildStep.java b/hudson-core/src/main/java/hudson/tasks/BuildStep.java
index be91dd8..28b0495 100644
--- a/hudson-core/src/main/java/hudson/tasks/BuildStep.java
+++ b/hudson-core/src/main/java/hudson/tasks/BuildStep.java
@@ -17,25 +17,17 @@
 package hudson.tasks;
 
 import hudson.Launcher;
-import hudson.Extension;
-import hudson.ExtensionList;
-import hudson.util.DescriptorList;
 import hudson.model.AbstractBuild;
 import hudson.model.AbstractProject;
 import hudson.model.Action;
-import hudson.model.Build;
 import hudson.model.BuildListener;
 import hudson.model.Descriptor;
-import hudson.model.Project;
-import hudson.model.Hudson;
-import hudson.model.CheckPoint;
-import hudson.model.Run;
-
+import hudson.util.DescriptorList;
 import java.io.IOException;
-import java.util.Collection;
-import java.util.List;
 import java.util.AbstractList;
+import java.util.Collection;
 import java.util.Iterator;
+import java.util.List;
 import java.util.WeakHashMap;
 
 /**