Restrict "Enter User Command" to game scope only

The hotkey was assigned three scopes in order to appear under the General tab.
However, as it has no effect outside the game, it makes no sense for it to appear there.

src/hotkey/hotkey_command.cpp

@@ -240,8 +240,7 @@ hotkey::hotkey_command_temp hotkey_list_[] = {
 	{ hotkey::HOTKEY_SPEAK_ALL, "speaktoall", N_("Speak to All"), false, scope_game, "" },
 	{ hotkey::HOTKEY_HELP, "help", N_("Help"), false, scope_game | scope_editor | scope_main, "" },
 	{ hotkey::HOTKEY_CHAT_LOG, "chatlog", N_("View Chat Log"), false, scope_game, "" },
-	//TODO: why does HOTKEY_USER_CMD have not only scope_game ?
-	{ hotkey::HOTKEY_USER_CMD, "command", N_("Enter User Command"), false, scope_game | scope_editor | scope_main, "" },
+	{ hotkey::HOTKEY_USER_CMD, "command", N_("Enter User Command"), false, scope_game, "" },
 	{ hotkey::HOTKEY_CUSTOM_CMD, "customcommand", N_("Custom Command"), false, scope_game, "" },
 	{ hotkey::HOTKEY_AI_FORMULA, "aiformula", N_("Run Formula"), false, scope_game, "" },
 	{ hotkey::HOTKEY_CLEAR_MSG, "clearmessages", N_("Clear Messages"), false, scope_game, "" },