Use the inactive field of AccountInfo

The AccountInfo-object now contains the activity state of an account. So
far the plugin created this field in the ServiceUserInfo. This was not
required anymore.

Change-Id: I055572f4bd54aaf0ea393f3d02775cdd11bd2d7b
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java
index 3a2460f..c4a6e7d 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java
@@ -87,7 +87,6 @@
   public static class ServiceUserInfo extends AccountInfo {
     public AccountInfo createdBy;
     public String createdAt;
-    public Boolean inactive;
     public GroupInfo owner;
 
     public ServiceUserInfo(AccountInfo info) {
@@ -97,6 +96,7 @@
       email = info.email;
       username = info.username;
       avatars = info.avatars;
+      inactive = info.inactive;
     }
   }
 }