Removed the IAddressUser Interface entity

ref #105 - It was only needed b/c addresses were implemented as their own class

src/models/entities/GroupContact.ts

@@ -7,10 +7,9 @@ import {
 
   IsString
 } from "class-validator";
-import { Column, Entity, ManyToOne, OneToMany, PrimaryGeneratedColumn } from "typeorm";
+import { Column, Entity, OneToMany, PrimaryGeneratedColumn } from "typeorm";
 import { config } from '../../config';
 import { Address } from "./Address";
-import { IAddressUser } from './IAddressUser';
 import { RunnerGroup } from "./RunnerGroup";
 
 /**
@@ -18,7 +17,7 @@ import { RunnerGroup } from "./RunnerGroup";
  * Mainly it's own class to reduce duplicate code and enable contact's to be associated with multiple groups.
 */
 @Entity()
-export class GroupContact implements IAddressUser {
+export class GroupContact {
   /**
    * Autogenerated unique id (primary key).
    */
@@ -55,7 +54,7 @@ export class GroupContact implements IAddressUser {
    * This is a address object to prevent any formatting differences.
    */
   @IsOptional()
-  @ManyToOne(() => Address, address => address.addressUsers, { nullable: true })
+  @Column(type => Address)
   address?: Address;
 
   /**