Remove duplicated method in VersionedAuthorizedKeys

open and read method were identicals, only keep read method.

Change-Id: I449b9c57a5fdcca26f1930e004b948ae68094a04
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java
index befccb6..c3fab98 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java
@@ -104,7 +104,7 @@
 
     public AccountSshKey addKey(Account.Id accountId, String pub)
         throws IOException, ConfigInvalidException, InvalidSshKeyException {
-      try (VersionedAuthorizedKeys authorizedKeys = open(accountId)) {
+      try (VersionedAuthorizedKeys authorizedKeys = read(accountId)) {
         AccountSshKey key = authorizedKeys.addKey(pub);
         commit(authorizedKeys);
         return key;
@@ -113,7 +113,7 @@
 
     public void deleteKey(Account.Id accountId, int seq)
         throws IOException, ConfigInvalidException {
-      try (VersionedAuthorizedKeys authorizedKeys = open(accountId)) {
+      try (VersionedAuthorizedKeys authorizedKeys = read(accountId)) {
         if (authorizedKeys.deleteKey(seq)) {
           commit(authorizedKeys);
         }
@@ -122,7 +122,7 @@
 
     public void markKeyInvalid(Account.Id accountId, int seq)
         throws IOException, ConfigInvalidException {
-      try (VersionedAuthorizedKeys authorizedKeys = open(accountId)) {
+      try (VersionedAuthorizedKeys authorizedKeys = read(accountId)) {
         if (authorizedKeys.markKeyInvalid(seq)) {
           commit(authorizedKeys);
         }
@@ -139,15 +139,6 @@
       }
     }
 
-    private VersionedAuthorizedKeys open(Account.Id accountId)
-        throws IOException, ConfigInvalidException {
-      Repository git = repoManager.openRepository(allUsersName);
-      VersionedAuthorizedKeys authorizedKeys =
-          authorizedKeysFactory.create(accountId);
-      authorizedKeys.load(git);
-      return authorizedKeys;
-    }
-
     private void commit(VersionedAuthorizedKeys authorizedKeys)
         throws IOException {
       try (MetaDataUpdate md = metaDataUpdateFactory.get().create(allUsersName,