chore/SRE-583 Deprecate usage of Auth-Email Header (#14418)

* chore/SRE-583 Deprecate usage of Auth-Email Header

* SRE-583 additional cleanup

* SRE-583 removed Utils

* SRE-583 formatting

---------

Co-authored-by: sneakernuts <671942+sneakernuts@users.noreply.github.com>

libs/common/src/auth/models/request/identity-token/password-token.request.ts

@@ -1,5 +1,4 @@
 import { ClientType } from "../../../../enums";
-import { Utils } from "../../../../platform/misc/utils";
 
 import { DeviceRequest } from "./device.request";
 import { TokenTwoFactorRequest } from "./token-two-factor.request";
@@ -30,10 +29,6 @@ export class PasswordTokenRequest extends TokenRequest {
     return obj;
   }
 
-  alterIdentityTokenHeaders(headers: Headers) {
-    headers.set("Auth-Email", Utils.fromUtf8ToUrlB64(this.email));
-  }
-
   static fromJSON(json: any) {
     return Object.assign(Object.create(PasswordTokenRequest.prototype), json, {
       device: json.device ? DeviceRequest.fromJSON(json.device) : undefined,

libs/common/src/auth/models/request/identity-token/token.request.ts

@@ -14,10 +14,6 @@ export abstract class TokenRequest {
     this.device = device != null ? device : null;
   }
 
-  alterIdentityTokenHeaders(headers: Headers) {
-    // Implemented in subclass if required
-  }
-
   setTwoFactor(twoFactor: TokenTwoFactorRequest | undefined) {
     this.twoFactor = twoFactor;
   }

libs/common/src/services/api.service.ts

@@ -197,7 +197,6 @@ export class ApiService implements ApiServiceAbstraction {
     if (this.customUserAgent != null) {
       headers.set("User-Agent", this.customUserAgent);
     }
-    request.alterIdentityTokenHeaders(headers);
 
     const identityToken =
       request instanceof UserApiTokenRequest