Update SYCL/Plugin/interop-level-zero-interop-task-mem.cpp

Author: bader

SYCL/Plugin/interop-level-zero-interop-task-mem.cpp

@@ -1,6 +1,6 @@
 // REQUIRES: level_zero, level_zero_dev_kit
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %level_zero_options %s -o %t.out
-// RUN: env SYCL_BE=PI_LEVEL_ZERO %GPU_RUN_PLACEHOLDER %t.out
+// RUN: %GPU_RUN_PLACEHOLDER %t.out
 
 // Test for Level Zero interop_task.