chore: remove hiring announcement from VS Code extension

Remove the "we're hiring" careers section from the announcement
modal and the CareersLink component. Also remove the "careers"
i18n key from all 18 locale chat.json files.

Author: roomote

webview-ui/src/components/chat/Announcement.tsx

@@ -73,15 +73,6 @@ const Announcement = ({ hideAnnouncement }: AnnouncementProps) => {
 						<Trans i18nKey="chat:announcement.support" components={{ githubLink: <GitHubLink /> }} />
 					</div>
 
-					{/* Careers Section */}
-					<div className="mt-2 text-sm text-center">
-						<Trans
-							i18nKey="chat:announcement.careers"
-							components={{
-								careersLink: <CareersLink />,
-							}}
-						/>
-					</div>
 				</div>
 			</DialogContent>
 		</Dialog>
@@ -112,15 +103,4 @@ const GitHubLink = ({ children }: { children?: ReactNode }) => (
 	</VSCodeLink>
 )
 
-const CareersLink = ({ children }: { children?: ReactNode }) => (
-	<VSCodeLink
-		href="https://careers.roocode.com"
-		onClick={(e) => {
-			e.preventDefault()
-			vscode.postMessage({ type: "openExternal", url: "https://careers.roocode.com" })
-		}}>
-		{children}
-	</VSCodeLink>
-)
-
 export default memo(Announcement)

webview-ui/src/i18n/locales/ca/chat.json

@@ -375,8 +375,7 @@
 			"specialized": "Introducing <bold>Explainer</bold>, <bold>Planner</bold>, and <bold>Coder</bold> - three specialized cloud agents to enhance your workflows.",
 			"description": "The agents work together in the cloud and can be triggered from the web or through Slack.",
 			"tryButton": "Try Cloud Agents"
-		},
-		"careers": "Also, <careersLink>we're hiring!</careersLink>"
+		}
 	},
 	"reasoning": {
 		"thinking": "Thinking",