Bug 1642473 [wpt PR 23897] - [Sauce] Remove workaround that manually …

…sets selenium version for edge, a=testonly

Automatic update from web-platform-tests
[Sauce] Remove workaround that manually sets selenium version for edge (#23897)

This appears to be a leftover from the previous use of the sauce runner,
assumedly when there was some bug that required a specific version of
selenium to be used (it was sadly undocumented).

Fixes web-platform-tests/wpt#23895
--

wpt-commits: d5aae4ab7f99e024f70aa0d93ca3748809995263
wpt-pr: 23897

Differential Revision: https://phabricator.services.mozilla.com/D78777

testing/web-platform/tests/tools/wptrunner/wptrunner/browsers/sauce.py

@@ -69,9 +69,6 @@ def get_capabilities(**kwargs):
         "prerun": prerun_script.get(browser_name)
     }
 
-    if browser_name == 'MicrosoftEdge':
-        capabilities['selenium-version'] = '2.4.8'
-
     return capabilities