fix: remove Working Group interests field as it is no longer active

• fix: remove Working Group interests field as it is no longer active

efservices/src/main/java/org/eclipsefoundation/efservices/api/models/EfUser.java

@@ -75,9 +75,6 @@ public abstract class EfUser {
 
     public abstract List<String> getInterests();
 
-    @Nullable
-    public abstract List<String> getWorkingGroupsInterests();
-
     @Nullable
     public abstract List<String> getPublicFields();
 
@@ -134,7 +131,6 @@ public abstract class EfUser {
                 .setWebsite("")
                 .setCountry(Country.builder().build())
                 .setInterests(Collections.emptyList())
-                .setWorkingGroupsInterests(Collections.emptyList())
                 .setPublicFields(Collections.emptyList())
                 .setMailHistory(Collections.emptyList())
                 .setMailAlternate(Collections.emptyList())
@@ -187,8 +183,6 @@ public abstract class EfUser {
 
         public abstract Builder setInterests(List<String> interests);
 
-        public abstract Builder setWorkingGroupsInterests(@Nullable List<String> interests);
-
         public abstract Builder setPublicFields(@Nullable List<String> fields);
 
         public abstract Builder setMailHistory(@Nullable List<Email> emails);