[HIP] Remove XFail from accessor.cpp

llvm/llvm-project#122309 fixes it.

Author: jsji

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: hip
-// XFAIL-TRACKER: https://github.com/intel/llvm/issues/16505
-
 // Test flakily fails on PVC.
 // UNSUPPORTED: arch-intel_gpu_pvc
 // UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/16401