[SYCL][E2E] Enable XPASSing parallel_for_work_group.cpp on OCL CPU (#18180)

It's XPASSING, see
[here](https://github.com/intel/llvm/actions/runs/14632659184).

Signed-off-by: Sarnie, Nick <nick.sarnie@intel.com>

Author: sarnex

sycl/test-e2e/MemorySanitizer/local/parallel_for_work_group.cpp

@@ -9,9 +9,6 @@
 // XFAIL: spirv-backend && gpu && run-mode
 // XFAIL-TRACKER: https://github.com/llvm/llvm-project/issues/122075
 
-// XFAIL: linux && cpu && run-mode
-// XFAIL-TRACKER: https://github.com/intel/llvm/issues/17959
-
 #include <sycl/group.hpp>
 #include <sycl/usm.hpp>