remove

resources/lang/en.json

@@ -753,7 +753,6 @@
     "unit_captured_by_enemy": "Your {unit} was captured by {name}",
     "captured_enemy_unit": "Captured {unit} from {name}",
     "unit_expanded": "Expanded {unit} to level {level}",
-    "double_click_expand_hint": "Double-click to expand (costs gold & troops)",
     "unit_destroyed": "Your {unit} was destroyed",
     "no_boats_available": "No boats available, max {max}"
   },

src/client/graphics/layers/PlayerInfoOverlay.ts

@@ -513,13 +513,6 @@ export class PlayerInfoOverlay extends LitElement implements Layer {
                   ${translateText("player_panel.density")}:
                   ${Math.round(unit.density() * 100)}%
                 </div>
-                ${unit.owner().isMe() && !unit.isUnderConstruction()
-                  ? html`<div class="text-[10px] text-gray-400 mt-1 italic">
-                      ${translateText(
-                        "events_display.double_click_expand_hint",
-                      )}
-                    </div>`
-                  : ""}
               `
             : ""}
           ${unit.hasHealth()