[code-reflection] RFR: Fix lowering type pattern [v3]

[Mourad Abbay]

> The lowering of TypePattern was performing unnecessary check by invoking inexistent method on ExactConversionSupport e.g. `isIntToIntExact.

Mourad Abbay has updated the pull request incrementally with one additional commit since the last revision:

  Remove outdated comment

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Changes:
  - all: https://git.openjdk.org/babylon/pull/772/files
  - new: https://git.openjdk.org/babylon/pull/772/files/807cf3d5..44474c11

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=772&range=02
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=772&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/babylon/pull/772.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/772/head:pull/772

PR: https://git.openjdk.org/babylon/pull/772