git: openjdk/leyden: premain: Remove CompileTrainingData::_top_method

[duke]

Changeset: 3f419ca9
Author:    Igor Veresov <igor.veresov at oracle.com>
Date:      2024-01-09 15:54:31 +0000
URL:       https://git.openjdk.org/leyden/commit/3f419ca9ce3412c4a21a7574f853aca29973bb5a

Remove CompileTrainingData::_top_method

! src/hotspot/share/compiler/compilationPolicy.cpp
! src/hotspot/share/oops/trainingData.cpp
! src/hotspot/share/oops/trainingData.hpp