Move getPlaceholder to component that needs it

ts/components/SafetyNumberViewer.tsx

@@ -4,7 +4,6 @@
 import React from 'react';
 import { ConversationType } from '../state/ducks/conversations';
 import { LocalizerType } from '../types/Util';
-import { getPlaceholder } from '../util/safetyNumber';
 import { Intl } from './Intl';
 
 export type PropsType = {
@@ -112,3 +111,9 @@ export const SafetyNumberViewer = ({
     </div>
   );
 };
+
+function getPlaceholder(): string {
+  return Array.from(Array(12))
+    .map(() => 'XXXXX')
+    .join(' ');
+}

ts/util/index.ts

@@ -9,10 +9,7 @@ import { createBatcher } from './batcher';
 import { createWaitBatcher } from './waitBatcher';
 import { deleteForEveryone } from './deleteForEveryone';
 import { downloadAttachment } from './downloadAttachment';
-import {
+import { generateSecurityNumber } from './safetyNumber';
-  generateSecurityNumber,
-  getPlaceholder as getSafetyNumberPlaceholder,
-} from './safetyNumber';
 import { getStringForProfileChange } from './getStringForProfileChange';
 import { getTextWithMentions } from './getTextWithMentions';
 import { getUserAgent } from './getUserAgent';
@@ -36,7 +33,6 @@ export {
   downloadAttachment,
   fromWebSafeBase64,
   generateSecurityNumber,
-  getSafetyNumberPlaceholder,
   getStringForProfileChange,
   getTextWithMentions,
   getUserAgent,

ts/util/safetyNumber.ts

@@ -28,12 +28,6 @@ export async function generateSecurityNumber(
   return Promise.resolve(fingerprintString);
 }
 
-export function getPlaceholder(): string {
-  return Array.from(Array(12))
-    .map(() => 'XXXXX')
-    .join(' ');
-}
-
 export async function generateSecurityNumberBlock(
   contact: ConversationType
 ): Promise<Array<string>> {