Remove group members spinach tests that we already covered with rspec

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

features/group/members.feature

@@ -4,46 +4,6 @@ Feature: Group Members
     And "John Doe" is owner of group "Owned"
     And "John Doe" is guest of group "Guest"
 
-  # Leave
-
-  @javascript
-  Scenario: Owner should be able to remove himself from group if he is not the last owner
-    Given "Mary Jane" is owner of group "Owned"
-    When I visit group "Owned" members page
-    Then I should see user "John Doe" in team list
-    Then I should see user "Mary Jane" in team list
-    When I click on the "Remove User From Group" button for "John Doe"
-    And I visit group "Owned" members page
-    Then I should not see user "John Doe" in team list
-    Then I should see user "Mary Jane" in team list
-
-  @javascript
-  Scenario: Owner should not be able to remove himself from group if he is the last owner
-    Given "Mary Jane" is guest of group "Owned"
-    When I visit group "Owned" members page
-    Then I should see user "John Doe" in team list
-    Then I should see user "Mary Jane" in team list
-    Then I should not see the "Remove User From Group" button for "John Doe"
-
-  @javascript
-  Scenario: Guest should be able to remove himself from group
-    Given "Mary Jane" is guest of group "Guest"
-    When I visit group "Guest" members page
-    Then I should see user "John Doe" in team list
-    Then I should see user "Mary Jane" in team list
-    When I click on the "Remove User From Group" button for "John Doe"
-    When I visit group "Guest" members page
-    Then I should not see user "John Doe" in team list
-    Then I should see user "Mary Jane" in team list
-
-  @javascript
-  Scenario: Guest should be able to remove himself from group even if he is the only user in the group
-    When I visit group "Guest" members page
-    Then I should see user "John Doe" in team list
-    When I click on the "Remove User From Group" button for "John Doe"
-    When I visit group "Guest" members page
-    Then I should not see user "John Doe" in team list
-
   # Remove others
 
   Scenario: Owner should be able to remove other users from group