Remove 'final' from method signatures.

Change-Id: I126d651edd6bf83cb9d5e96409d021970530486a

src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java b/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
index 7077481..1104af5 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
@@ -89,7 +89,7 @@
   }
 
   @Override
-  public GroupMembership membershipsOf(final IdentifiedUser user) {
+  public GroupMembership membershipsOf(IdentifiedUser user) {
     ImmutableList.Builder<AccountGroup.UUID> groups = ImmutableList.builder();
     groups.add(uuid(user.getAccountId()));
     if (user.getUserName() != null) {
@@ -99,7 +99,7 @@
   }
 
   @Override
-  public GroupDescription.Basic get(final AccountGroup.UUID uuid) {
+  public GroupDescription.Basic get(AccountGroup.UUID uuid) {
     String ident = username(uuid);
     AccountState state;
     if (ident.matches(ACCOUNT_ID_PATTERN)) {