refactor(pega): Removed Pega references from the application (TV-242)

Squashed commit of the following:

commit f0af4736b6a196db9a1306ca8b355c62610905ee
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Thu Jun 3 06:32:21 2021 +0200

    Removed PEGA references from repository

apps/dafa-web/src/app/data/models/employee.model.ts

@@ -17,86 +17,10 @@ export interface EmployeeApiResponse extends UserApiResponse {
 // eslint-disable-next-line @typescript-eslint/no-empty-interface
 export interface EmployeeApiRequestData extends Employee {}
 
-export interface PegaEmployeesApiResponse {
-  pxMore: string;
-  pxObjClass: string;
-  pxPageCount: string;
-  pxQueryTimeStamp: string;
-  pxResultCount: string;
-  pxTotalResultCount: string;
-  pyMaxRecords: string;
-  pyObjClass: string;
-  pxResults: PegaEmployeeApiResponse[];
-  pzPerformanceSettings: string[];
-}
-
-export interface PegaEmployeeApiResponse {
-  pxInsHandle: string;
-  pxObjClass: string;
-  pyAccessGroup: string;
-  pyFirstName: string;
-  pyLastName: string;
-  pyOrganization: string;
-  pyOrgDivision: string;
-  pyOrgUnit: string;
-  pyUserIdentifier: string;
-  pyUserName: string;
-}
-
-export interface PegaEmployeeApiRequestData {
-  pyFirstName: string;
-  pyLastName: string;
-}
-
-export interface PegaEmployeeApiPostResponse {
-  pxObjClass: string;
-  pyErrorMessage: string;
-  pyFirstName: string;
-  pyHasError: 'true' | 'false';
-  pyLastName: string;
-  pyUserIdentifier: string;
-}
-
 export function mapEmployeeToEmployeeApiRequestData(data: Employee): EmployeeApiRequestData {
   return data;
 }
 
-export function mapEmployeeToPegaEmployeeApiRequestData(data: Employee): PegaEmployeeApiRequestData {
-  return {
-    pyFirstName: data.firstName,
-    pyLastName: data.lastName,
-  };
-}
-
-export function mapPegaEmployeeReponseToEmployee(data: PegaEmployeeApiResponse): Employee {
-  return {
-    id: data.pyUserIdentifier,
-    lastName: data.pyLastName,
-    firstName: data.pyFirstName,
-    fullName: `${data.pyFirstName} ${data.pyLastName}`,
-    organizations: [
-      {
-        id: '',
-        name: data.pyOrganization,
-        kaNumber: null,
-        address: {
-          street: null,
-          houseNumber: null,
-          postalCode: null,
-          city: null,
-          kommun: null,
-        },
-      },
-    ],
-    authorizations: null,
-    // authorizations: mapPegaAuthorizationToAuthorization(data.pyAccessGroup as PegaAuthorization),
-    services: [],
-    languages: [],
-    ssn: '',
-    participants: [],
-  };
-}
-
 export function mapEmployeeReponseToEmployee(data: EmployeeApiResponse): Employee {
   const { id, firstName, lastName, ssn, services, languages, organizations, authorizations, participants } = data;
   return {