RFR: 8361449: RISC-V: Code cleanup for native call [v4]

[Dingli Zhang]

> Hi, please consider this code cleanup change for native call.
> 
> This removes the address parameter for NativeCall::reloc_destination and NativeFarCall::reloc_destination.
> This also removes several unnecessary code blob related runtime checks turning them into assertions.
> 
> ### Testing
> * [x]  hs:tier1 - hs:tier3 tested with linux-riscv64 fastdebug build

Dingli Zhang has updated the pull request incrementally with one additional commit since the last revision:

  Revert changes not related to cleanup

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/26150/files
  - new: https://git.openjdk.org/jdk/pull/26150/files/da45cf52..a04d7101

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26150&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26150&range=02-03

  Stats: 13 lines in 2 files changed: 6 ins; 1 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/26150.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26150/head:pull/26150

PR: https://git.openjdk.org/jdk/pull/26150