Bug 1713896 - Remove fission annotation for false positive, r=neha

Differential Revision: https://phabricator.services.mozilla.com/D118039

browser/components/newtab/test/browser/browser.ini

@@ -20,8 +20,6 @@ prefs =
 [browser_aboutwelcome_focus.js]
 [browser_aboutwelcome_simplified.js]
 [browser_aboutwelcome_multistage.js]
-skip-if =
-  fission && os == "linux" && asan # Bug 1713896 - new Fission platform triage
 [browser_aboutwelcome_rtamo.js]
 skip-if = (os == "linux") # Test setup only implemented for OSX and Windows
 [browser_aboutwelcome_attribution.js]