Fix compilation of 2 PVC tests on windows

Squashed commit of the following:

commit 1ed535e
Author: Garcia Orozco, David <[email protected]>
Date:   Wed Feb 26 09:38:39 2025 -0800

    Remove linux requirement

commit 3dc0433
Author: Garcia Orozco, David <[email protected]>
Date:   Wed Feb 26 09:36:29 2025 -0800

    Fix tests compilation on windows instead of requiring linux

commit 83f97a5
Author: Garcia Orozco, David <[email protected]>
Date:   Wed Feb 26 09:08:22 2025 -0800

    Requires linux in two pvc tests that fail to build on windows

Author: ayylol

sycl/test-e2e/Adapters/level_zero_sub_sub_device.cpp

@@ -32,7 +32,6 @@
 #include <sycl/detail/core.hpp>
 #include <sycl/properties/all_properties.hpp>
 #include <sycl/usm.hpp>
-#include <unistd.h>
 
 using namespace sycl;
 using namespace std::chrono;

sycl/test-e2e/ESIMD/srnd.cpp

@@ -25,8 +25,8 @@ bool test(queue &Q) {
 
   for (int i = 0; i < N; ++i) {
     float value = esimd_test::getRandomValue<float>();
-    while (fabs(value) > std::numeric_limits<half>::max() ||
-           fabs(value) < std::numeric_limits<half>::min() || std::isnan(value))
+    while (sycl::fabs(value) > std::numeric_limits<half>::max() ||
+           sycl::fabs(value) < std::numeric_limits<half>::min() || std::isnan(value))
       value = esimd_test::getRandomValue<float>();
 
     Input[i] = value;