Revert "x86_64: Add JIT support for LoadMethodType."

This reverts commit 53ca944020bb86199f6f80d8594d5deb1b1d46dd.

Bug: 297147201

Reason for revert: Crash on bot

Change-Id: Ibf3b53a8fe67aa633686990881a96acb783af9a3
15 files changed