Reverts JSON_NUMERIC_CHECK

We shouldn't be coercing types.
merged branch genexp/master (PR #8477)

This PR was submitted for the master branch but it was merged into the 2.2 branch instead (closes #8477).

Discussion
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Reverts recent change that added type coercion for JSON responses

We shouldn't be coercing primitive in the array provided to setData.

Commits
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02e6aef Reverts JSON_NUMERIC_CHECK