chore: remove obsolete spawn leftovers

web/src/lib/locales/en.ts

@@ -141,15 +141,6 @@ export default {
   'newSession.create': 'Create',
   'newSession.creating': 'Creating…',
 
-  // Spawn session (old component)
-  'spawn.title': 'Create Session',
-  'spawn.sessionType': 'Session type',
-  'spawn.useAsIs': 'Use selected directory as-is',
-  'spawn.createWorktree': 'Create a new worktree next to repo',
-  'spawn.worktreePlaceholder': 'feature-x (default 1228-xxxx)',
-  'spawn.cancel': 'Cancel',
-  'spawn.create': 'Create Session',
-  'spawn.creating': 'Creating…',
   'session.directoryMissingSimple': 'Directory does not exist. Creating the session will create it automatically.',
   'session.directoryMissingSimpleConfirm': 'Directory does not exist. Click again to create it automatically.',
   'session.directoryMissingWorktree': 'Worktree sessions require an existing repository directory.',

web/src/lib/locales/zh-CN.ts

@@ -143,15 +143,6 @@ export default {
   'newSession.create': '创建',
   'newSession.creating': '创建中…',
 
-  // Spawn session (old component)
-  'spawn.title': '创建会话',
-  'spawn.sessionType': '会话类型',
-  'spawn.useAsIs': '直接使用选定的目录',
-  'spawn.createWorktree': '在仓库旁创建新工作树',
-  'spawn.worktreePlaceholder': 'feature-x (默认 1228-xxxx)',
-  'spawn.cancel': '取消',
-  'spawn.create': '创建会话',
-  'spawn.creating': '创建中…',
   'session.directoryMissingSimple': '目录不存在，创建会话时将自动创建。',
   'session.directoryMissingSimpleConfirm': '目录不存在。再次点击按钮将自动新建该目录。',
   'session.directoryMissingWorktree': 'worktree 需要已存在的仓库目录。',