[foreign-memaccess+abi] RFR: 8303835: Remove uncaught exception handler linker option

[Jorn Vernee]

Remove the uncaught exception handler linker option for now. It does not seem polished enough, and using the thread's uncaught exception handler seems problematic as well.

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Commit messages:
 - remove uncaught exception handler linker option

Changes: https://git.openjdk.org/panama-foreign/pull/813/files
 Webrev: https://webrevs.openjdk.org/?repo=panama-foreign&pr=813&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8303835
  Stats: 113 lines in 11 files changed: 0 ins; 98 del; 15 mod
  Patch: https://git.openjdk.org/panama-foreign/pull/813.diff
  Fetch: git fetch https://git.openjdk.org/panama-foreign pull/813/head:pull/813

PR: https://git.openjdk.org/panama-foreign/pull/813