RFR: 8312147: Dynamic Exception Specification warnings are no longer required after JDK-8311380 [v2]

[Julian Waters]

> After [JDK-8311380](https://bugs.openjdk.org/browse/JDK-8311380), the dynamic exception specification warning pragma can be removed

Julian Waters has updated the pull request incrementally with one additional commit since the last revision:

  Missed specifier in awt_Toolkit.h

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14899/files
  - new: https://git.openjdk.org/jdk/pull/14899/files/b528c374..166b1fd0

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14899&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14899&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/14899.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14899/head:pull/14899

PR: https://git.openjdk.org/jdk/pull/14899