Revert "riscv64: Add relative patcher."

This reverts commit e4e39b2b1e51ff0ab69cd319f9135f0c40b02147.

Reason for revert: DroidMonitor-triggered revert due to breakage https://android-build.corp.google.com/artifact/submitted/10695075/aosp_cf_riscv64_phone-trunk_staging-userdebug/latest/view/logs%2Fbuild_error.log, bug b/297000339
Bug: b/297000339
Change-Id: Id414e31ae63569cc02728fc652cbd45c6a46528f
9 files changed