Drop level_zero v2 plugin, because we don't have it on 6.1 branch

Author: AlexeySachkov

.github/workflows/sycl-linux-precommit.yml

@@ -78,7 +78,7 @@ jobs:
           - name: Intel Arc A-Series Graphics
             runner: '["Linux", "arc"]'
             image_options: -u 1001 --device=/dev/dri -v /dev/dri/by-path:/dev/dri/by-path --privileged --cap-add SYS_ADMIN
-            target_devices: level_zero:gpu;opencl:gpu;level_zero_v2:gpu
+            target_devices: level_zero:gpu;opencl:gpu
             reset_intel_gpu: true
             extra_lit_opts: --param matrix-xmx8=True
           - name: E2E tests with dev igc on Intel Arc A-Series Graphics