Bug 1639461 - Remove last(?) remnants of the -remote command line flag. r=mossop

Differential Revision: https://phabricator.services.mozilla.com/D197315

Author: glandium

browser/components/BrowserContentHandler.sys.mjs

@@ -442,17 +442,6 @@ nsBrowserContentHandler.prototype = {
       cmdLine.preventDefault = true;
     }
 
-    // In the past, when an instance was not already running, the -remote
-    // option returned an error code. Any script or application invoking the
-    // -remote option is expected to be handling this case, otherwise they
-    // wouldn't be doing anything when there is no Firefox already running.
-    // Making the -remote option always return an error code makes those
-    // scripts or applications handle the situation as if Firefox was not
-    // already running.
-    if (cmdLine.handleFlag("remote", true)) {
-      throw Components.Exception("", Cr.NS_ERROR_ABORT);
-    }
-
     var uriparam;
     try {
       while ((uriparam = cmdLine.handleFlagWithParam("new-window", false))) {