Re-enable urEnqueueGraph tests

Author: kswiecicki

unified-runtime/test/conformance/exp_graph/urEnqueueGraphExp.cpp

@@ -12,10 +12,6 @@
 struct urEnqueueGraphExpTest : uur::urGraphExecutableExpTest {
   void SetUp() override {
     UUR_RETURN_ON_FATAL_FAILURE(uur::urGraphExecutableExpTest::SetUp());
-
-    // TODO: Re-enable urEnqueueGraph tests on L0V2.
-    // See: https://github.com/intel/llvm/issues/20884.
-    UUR_KNOWN_FAILURE_ON(uur::LevelZeroV2{});
   }
 };