git: openjdk/leyden: premain: Removed experimental code that's no longer needed

[Ioi Lam]

Changeset: 6f5b84cb
Branch: premain
Author:    Ioi Lam <iklam at openjdk.org>
Date:      2026-02-18 17:52:02 +0000
URL:       https://git.openjdk.org/leyden/commit/6f5b84cbf31f5327878eb346ff342ab2c25279d4

Removed experimental code that's no longer needed

! src/java.base/share/classes/java/lang/ClassLoader.java
! src/java.base/share/native/libjli/java.c