Remove at-username i18n string

ts/components/GlobalModalContainer.tsx

@@ -181,9 +181,7 @@ export function GlobalModalContainer({
       });
     } else if (userNotFoundModalState.type === 'username') {
       content = i18n('startConversation--username-not-found', {
-        atUsername: i18n('at-username', {
-          username: userNotFoundModalState.username,
-        }),
+        atUsername: userNotFoundModalState.username,
       });
     } else {
       throw missingCaseError(userNotFoundModalState);

ts/components/conversationList/UsernameCheckbox.tsx

@@ -62,7 +62,7 @@ export const UsernameCheckbox: FunctionComponent<PropsType> = React.memo(
       username,
     ]);
 
-    const title = i18n('at-username', { username });
+    const title = username;
 
     const avatar = (
       <Avatar

ts/components/conversationList/UsernameSearchResultListItem.tsx

@@ -30,7 +30,6 @@ export function UsernameSearchResultListItem({
   setIsFetchingUUID,
   showConversation,
 }: Props): JSX.Element {
-  const usernameText = i18n('at-username', { username });
   const boundOnClick = useCallback(async () => {
     if (isFetchingUsername) {
       return;
@@ -59,7 +58,7 @@ export function UsernameSearchResultListItem({
     <BaseConversationListItem
       acceptedMessageRequest={false}
       conversationType="direct"
-      headerName={usernameText}
+      headerName={username}
       i18n={i18n}
       isMe={false}
       isSelected={false}
@@ -67,7 +66,7 @@ export function UsernameSearchResultListItem({
       shouldShowSpinner={isFetchingUsername}
       onClick={boundOnClick}
       sharedGroupNames={[]}
-      title={usernameText}
+      title={username}
     />
   );
 }