officejs_support_request_ui: fix a double translation

Listbox title is automatically translated, calling translation explicitly
is wrong here.
2 jobs for feat/support_request_crm_translation in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner2

02:49:55

failed ERP5.UnitTest-TestRunner2

03:38:19