Iss #54 - Remove working_groups field from projects model

• Iss #54 (closed) - Remove working_groups field from projects model

Resolves #54 (closed)

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

@@ -59,8 +59,6 @@ public abstract class Project {
 
     public abstract List<ProjectParticipant> getProjectLeads();
 
-    public abstract List<Collaboration> getWorkingGroups();
-
     public abstract List<Collaboration> getIndustryCollaborations();
 
     public abstract Object getSpecProjectWorkingGroup();
@@ -131,8 +129,6 @@ public abstract class Project {
 
         public abstract Builder setProjectLeads(List<ProjectParticipant> leads);
 
-        public abstract Builder setWorkingGroups(List<Collaboration> wgs);
-
         public abstract Builder setIndustryCollaborations(List<Collaboration> collabs);
 
         public abstract Builder setSpecProjectWorkingGroup(Object specProjectWorkingGroup);