Indexed DB: Remove vendor prefix removal from tests

LayoutTests/storage/indexeddb/resources/intversion-open-with-version.js

 if (this.importScripts) {
     importScripts('../../../resources/js-test.js');
     importScripts('shared.js');
 }
 
 description("Test that specifying a version when opening a non-existent db causes an upgradeneeded event and that the version number is set correctly.");
 
 function test()
 {
-    removeVendorPrefixes();
     setDBNameFromPath();
     request = evalAndLog("indexedDB.deleteDatabase(dbname)");
     request.onsuccess = deleteSuccess;
     request.onerror = unexpectedErrorCallback;
     request.onblocked = unexpectedBlockedCallback;
 }
 
 function deleteSuccess(evt) {
     debug("Should trigger:");
     debug("4.1.4: If no database with the given name from the origin origin was found, or if it was deleted during the previous step, then create a database with name name, with 0 as version, and with no object stores. Let db be the new database.");
@@ skipping 46 matching lines @@
     shouldBe("sawUpgradeNeeded", "true");
     shouldBeTrue("sawTransactionComplete");
     db = evalAndLog("db = event.target.result");
     debug("Kind of test 4.1.9:");
     shouldBeEqualToString("String(db)", "[object IDBDatabase]");
     shouldBe('db.version', "7");
     finishJSTest();
 }
 
 test();