git: openjdk/jdk: 8301337: Remove unused os::_polling_page

[Robbin Ehn]

Changeset: 419409bc
Author:    Robbin Ehn <rehn at openjdk.org>
Date:      2023-01-31 11:41:16 +0000
URL:       https://git.openjdk.org/jdk/commit/419409bcf639e121286dff134b9e93e0528eacf5

8301337: Remove unused os::_polling_page

Reviewed-by: coleenp, dnsimon

! src/hotspot/share/jvmci/vmStructs_jvmci.cpp
! src/hotspot/share/runtime/os.cpp
! src/hotspot/share/runtime/os.hpp
! src/hotspot/share/runtime/vmStructs.cpp