[SYCL] Un-XFAIL two E2E tests on PVC

They were disabled as part of preparations for enabling PVC in our CI,
but they pass locally (and in our downstream), so I'm dropping the
`XFAIL`.

Author: AlexeySachkov

sycl/test-e2e/Basic/accessor/accessor.cpp

@@ -1,9 +1,6 @@
 // RUN: %{build} -DSYCL2020_DISABLE_DEPRECATION_WARNINGS -o %t.out
 // RUN: %{run} %t.out
 
-// XFAIL: arch-intel_gpu_pvc
-// XFAIL-TRACKER: https://github.com/intel/llvm/issues/14826
-
 //==----------------accessor.cpp - SYCL accessor basic test ----------------==//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

sycl/test-e2e/DeviceArchitecture/device_architecture_comparison_on_device_aot.cpp

@@ -1,8 +1,5 @@
 // REQUIRES: arch-intel_gpu_pvc, ocloc
 
-// XFAIL: arch-intel_gpu_pvc
-// XFAIL-TRACKER: https://github.com/intel/llvm/issues/14826
-
 // RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc %s -o %t.out
 // RUN: %{run} %t.out