[lworld] RFR: [lworld] Remove redundant DTraceAlloc/Method probes

[Coleen Phillimore]

Looking through this code, I found this discrepancy.  Tested with some tier1 testing.

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Commit messages:
 - Remove redundant DTraceAlloc/Method probes.

Changes: https://git.openjdk.org/valhalla/pull/1521/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1521&range=00
  Stats: 20 lines in 5 files changed: 0 ins; 17 del; 3 mod
  Patch: https://git.openjdk.org/valhalla/pull/1521.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1521/head:pull/1521

PR: https://git.openjdk.org/valhalla/pull/1521