RFR: 8264004: Don't use TRAPS if no exceptions are thrown

[Coleen Phillimore]

Removed the TRAPS in function declarations in jvmtiRedefineClasses and in ConstantPool merging functions.
Tested with vmTestbase/nsk/jvmti and tier1 (in progress).

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Commit messages:
 - Don't pass TRAPS to functions that don't throw exceptions.

Changes: https://git.openjdk.java.net/jdk/pull/3141/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3141&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264004
  Stats: 179 lines in 4 files changed: 1 ins; 32 del; 146 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3141.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3141/head:pull/3141

PR: https://git.openjdk.java.net/jdk/pull/3141