Bug 1262432 - Re-enable browser_device_width.js for e10s debug now that an assertion failure has been fixed. rs=RyanVM

MozReview-Commit-ID: Ag6vmAtENVb

devtools/client/responsive.html/test/browser/browser.ini

@@ -10,7 +10,6 @@ support-files =
   !/devtools/client/framework/test/shared-redux-head.js
 
 [browser_device_width.js]
-skip-if = (e10s && debug) # Bug 1262432 - crashes at nsLayoutUtils::HasDisplayPort(content)
 [browser_exit_button.js]
 [browser_resize_cmd.js]
 [browser_screenshot_button.js]