[SYCL][E2E] Remove unused command line arguments from tests (#19141)

In follow up to an earlier PR, this PR removes the `--save-temps` option
from 2 E2E tests where it is unused and causing errors in certain QA
testing configurations. It is probably a remnant of local debugging.

Author: lbushi25

sycl/test-e2e/FreeFunctionKernels/free_function_kernels_as_device_host_functions.cpp

@@ -1,5 +1,5 @@
 // REQUIRES: aspect-usm_shared_allocations
-// RUN: %{build} --save-temps -o %t.out
+// RUN: %{build} -o %t.out
 // RUN: %{run} %t.out
 
 // This test verifies whether free function kernel can be used as device