PullRequestCreateChange: Remove unused import

Also reformat the code using google-java-format version 1.7.

Change-Id: I9123a5f6ffb34e39d50a1d70be1e6d32ea0bc30e

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 3d0ec26..f2a7f06 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
@@ -39,7 +39,6 @@
 import com.google.gerrit.server.query.change.InternalChangeQuery;
 import com.google.gerrit.server.update.BatchUpdate;
 import com.google.gerrit.server.update.UpdateException;
-import com.google.gerrit.server.util.time.TimeUtil;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import java.io.IOException;
@@ -101,9 +100,7 @@
           RestApiException {
     try (BatchUpdate bu =
         updateFactory.create(
-            project.getNameKey(),
-            userFactory.create(pullRequestOwner),
-            Instant.now())) {
+            project.getNameKey(), userFactory.create(pullRequestOwner), Instant.now())) {
 
       return internalAddCommitToChange(
           bu,