Remove obsolete scenario.

Since #9285 was solved we do not allow opening downloaded files with
external applications in the Tor Browser.

Refs: #9285

features/step_definitions/common_steps.rb

@@ -824,10 +824,6 @@ When /^I can print the current page as "([^"]+[.]pdf)" to the (default downloads
   }
 end
 
-When /^I accept to import the key with Seahorse$/ do
-  @screen.wait_and_click("TorBrowserOkButton.png", 10)
-end
-
 Given /^a web server is running on the LAN$/ do
   web_server_ip_addr = $vmnet.bridge_ip_addr
   web_server_port = 8000

features/torified_browsing.feature

@@ -27,16 +27,6 @@ Feature: Browsing the web using the Tor Browser
     Then I can save the current page as "index.html" to the default downloads directory
     And I can print the current page as "output.pdf" to the default downloads directory
 
-  @check_tor_leaks @fragile
-  Scenario: Importing an OpenPGP key from a website
-    Given I have started Tails from DVD and logged in and the network is connected
-    When I start the Tor Browser
-    And the Tor Browser has started and loaded the startup page
-    And I open the address "https://tails.boum.org/tails-signing.key" in the Tor Browser
-    Then I see "OpenWithImportKey.png" after at most 20 seconds
-    When I accept to import the key with Seahorse
-    Then I see "KeyImportedNotification.png" after at most 10 seconds
-
   @check_tor_leaks @fragile
   Scenario: Downloading files with the Tor Browser
     Given I have started Tails from DVD and logged in and the network is connected