[SYCL] reenable Graph/RecordReplay/host_task2_multiple_roots.cpp test on BMG on v2 L0 adapter (#20101)

After verification of issue
[#18996](#18996) - test passed
locally and on CI, re-enabled

Author: mateuszpn

sycl/test-e2e/Graph/RecordReplay/host_task2_multiple_roots.cpp

@@ -13,9 +13,6 @@
 // UNSUPPORTED: windows
 // UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/11852
 
-// UNSUPPORTED: level_zero_v2_adapter && arch-intel_gpu_bmg_g21
-// UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/18996
-
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/host_task2_multiple_roots.cpp"