RFR: 8377797: SA MethodData is unused [v2]

[Coleen Phillimore]

> This change removes MethodData code copied into SA that's out of date for the valhalla repo.
> 
> Tested with tier1-3.

Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:

  Restore GenerateOopMap files.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/29693/files
  - new: https://git.openjdk.org/jdk/pull/29693/files/c88ef4da..34422be0

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=29693&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=29693&range=00-01

  Stats: 354 lines in 2 files changed: 354 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/29693.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29693/head:pull/29693

PR: https://git.openjdk.org/jdk/pull/29693