Revert change

Author: mcbarton

test/test_xcpp_kernel.py

@@ -135,7 +135,7 @@ class XCppTests(jupyter_kernel_test.KernelTests):
     #include <omp.h>
     #include <iostream>
     #include <clang/Interpreter/CppInterOp.h>
-    if(Cpp::LoadLibrary("/home/runner/micromamba/envs/xeus-cpp/lib/libomp")) {
+    if(Cpp::LoadLibrary("libomp")) {
     int max_threads = omp_get_max_threads();
     omp_set_thread_num(max_threads);
     #pragma omp parallel