Remove cast insertion in bytecode generator an interpreter

[PaulSandoz]

Remove cast insertion in bytecode generator an interpreter.

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Progress

• Change must not contain extraneous whitespace

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/babylon.git pull/1177/head:pull/1177
$ git checkout pull/1177

Update a local copy of the PR:
$ git checkout pull/1177
$ git pull https://git.openjdk.org/babylon.git pull/1177/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1177

View PR using the GUI difftool:
$ git pr show -t 1177

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/babylon/pull/1177.diff

[bridgekeeper]

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[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.