Remove redundant public modifier in AdminApi interface

Change-Id: I5296d802a857466d5267e9b77879760efbe1abf8

src/main/java/com/googlesource/gerrit/plugins/replication/AdminApi.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/AdminApi.java b/src/main/java/com/googlesource/gerrit/plugins/replication/AdminApi.java
index f3d2103..77e1836 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/AdminApi.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/AdminApi.java
@@ -17,9 +17,9 @@
 import com.google.gerrit.entities.Project;
 
 public interface AdminApi {
-  public boolean createProject(Project.NameKey project, String head);
+  boolean createProject(Project.NameKey project, String head);
 
-  public boolean deleteProject(Project.NameKey project);
+  boolean deleteProject(Project.NameKey project);
 
-  public boolean updateHead(Project.NameKey project, String newHead);
+  boolean updateHead(Project.NameKey project, String newHead);
 }