Remove setting NPY_MEM_AVAILABLE from cibw_test_command.sh

Author: rgommers

tools/wheels/cibw_test_command.sh

@@ -11,9 +11,6 @@ if [[ $RUNNER_OS == "Windows" && $IS_32_BIT == true ]] ; then
   rm /c/Program\ Files/Git/usr/bin/link.EXE
 fi
 
-# Set available memory value to avoid OOM problems on aarch64 (see gh-22418)
-export NPY_AVAILABLE_MEM="4 GB"
-
 FREE_THREADED_BUILD="$(python -c"import sysconfig; print(bool(sysconfig.get_config_var('Py_GIL_DISABLED')))")"
 if [[ $FREE_THREADED_BUILD == "True" ]]; then
     # Manually check that importing NumPy does not re-enable the GIL.