RFR: 8358655: AArch64: Simplify Interpreter::profile_taken_branch [v2]

[Chad Rakoczy]

> [JDK-8358655](https://bugs.openjdk.org/browse/JDK-8358655)
> 
> The aarch64 version of [JDK-8357434](https://bugs.openjdk.org/browse/JDK-8357434)
> 
> The counter is 64-bit, never practically overflows, and no other code cares about it so it is safe to remove
> 
> Additional Testing:
> - [x] Linux aarch64 fastdebug tier 1
> - [x] Linux aarch64 fastdebug tier 2
> - [x] Linux aarch64 fastdebug tier 3
> - [x] Linux aarch64 fastdebug tier 4

Chad Rakoczy has updated the pull request incrementally with one additional commit since the last revision:

  Remove r1 save

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25906/files
  - new: https://git.openjdk.org/jdk/pull/25906/files/ae31d0fb..c2d5ef37

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25906&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25906&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/25906.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25906/head:pull/25906

PR: https://git.openjdk.org/jdk/pull/25906