Backed out 2 changesets (bug 1818237) for causing mochitest/xpc failures on browser/components/migration/<...>.js CLOSED TREE

Backed out changeset a8584f57dc7c (bug 1818237)
Backed out changeset 477292e081b3 (bug 1818237)

browser/components/migration/SafariProfileMigrator.sys.mjs

@@ -644,16 +644,6 @@ export class SafariProfileMigrator extends MigratorBase {
     return true;
   }
 
-  async canGetPermissions() {
-    if (await MigrationUtils.canGetPermissionsOnPlatform()) {
-      const profileDir = FileUtils.getDir("ULibDir", ["Safari"]);
-      if (await IOUtils.exists(profileDir.path)) {
-        return profileDir.path;
-      }
-    }
-    return false;
-  }
-
   get mainPreferencesPropertyList() {
     if (this._mainPreferencesPropertyList === undefined) {
       let file = FileUtils.getDir("UsrPrfs", []);