Refactor "Open language selector when logged in"

Removed tags @uls-in-sidebar-only and @uls-in-personal-only.
We will figure out a better solution.

Alterted the test so that it catches if the language selector is
not visible in the viewport to catch regressions like bug 56937.

Bug: 56937
Change-Id: Ie8a37bf4f38e9c82e0c14736f2bc29e8ec1331ff

tests/browser/features/support/hooks.rb

@@ -3,18 +3,6 @@ Before('@language') do |scenario|
   @scenario = scenario
 end
 
-Before('@uls-in-personal-only') do |scenario|
-  if uls_position() != 'personal'
-    scenario.skip_invoke!
-  end
-end
-
-Before('@uls-in-sidebar-only') do |scenario|
-  if uls_position() != 'interlanguage'
-    scenario.skip_invoke!
-  end
-end
-
 After('@reset-preferences-after') do |scenario|
   visit(ResetPreferencesPage).submit_element.click if @browser.exist?
 end