Adjusted test for device-specific kernel descriptor private-memory.

With 2022.2 a non-zero value was being returned for interoperability
kernel compiler for GPU device, but it now returns zero with 2023.0
compiler.

Author: oleksandr-pavlyk

libsyclinterface/tests/test_sycl_kernel_interface.cpp

@@ -145,14 +145,8 @@ TEST_P(TestDPCTLSyclKernelInterface, CheckGetPrivateMemSize)
     EXPECT_NO_FATAL_FAILURE(axpy_private_mem_sz =
                                 DPCTLKernel_GetPrivateMemSize(AxpyKRef));
 
-    if (DPCTLDevice_IsGPU(DRef)) {
-        ASSERT_TRUE(add_private_mem_sz != 0);
-        ASSERT_TRUE(axpy_private_mem_sz != 0);
-    }
-    else {
-        ASSERT_TRUE(add_private_mem_sz >= 0);
-        ASSERT_TRUE(axpy_private_mem_sz >= 0);
-    }
+    ASSERT_TRUE(add_private_mem_sz >= 0);
+    ASSERT_TRUE(axpy_private_mem_sz >= 0);
 }
 
 TEST_P(TestDPCTLSyclKernelInterface, CheckGetMaxNumSubGroups)