Remove unused imports

Change-Id: Ic5e8f78be441a04ba71c33ef59dac7a2169e260d

github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthFilter.java

diff --git a/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthFilter.java b/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthFilter.java
index 2f98970..b1426f8 100644
--- a/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthFilter.java
+++ b/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthFilter.java
@@ -13,7 +13,6 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.github.oauth;
 
-import com.google.common.base.Strings;
 import com.google.common.collect.Sets;
 import com.google.gerrit.httpd.GitOverHttpServlet;
 import com.google.gerrit.httpd.XGerritAuth;
@@ -25,8 +24,6 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
-import java.util.Arrays;
-import java.util.List;
 import java.util.Set;
 import java.util.regex.Pattern;
 

github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/filters/GitHubOAuthFilter.java

diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/filters/GitHubOAuthFilter.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/filters/GitHubOAuthFilter.java
index 933533f..724e5b8 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/filters/GitHubOAuthFilter.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/filters/GitHubOAuthFilter.java
@@ -19,7 +19,6 @@
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.account.AccountCache;
-import com.google.gerrit.server.account.AccountState;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
@@ -36,9 +35,7 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.Collection;
-import java.util.List;
 
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
@@ -47,7 +44,6 @@
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
 
 @Singleton
 public class GitHubOAuthFilter implements Filter {

github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java

diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java
index 3fc871e..de1c9a8 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java
@@ -24,7 +24,6 @@
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.PatchSet;
 import com.google.gerrit.reviewdb.client.Project;
-import com.google.gerrit.reviewdb.client.RefNames;
 import com.google.gerrit.reviewdb.client.RevId;
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.ChangeUtil;

github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java

diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java
index c91b853..1e5f447 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java
@@ -15,7 +15,6 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.IdentifiedUser;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;