[feat] NoTrailingCommaInSingLineArrayFixer

|Q            |A  |
|---          |---|
|Bug Fix?     |no  |
|New Feature? |yes|
|BC Breaks?   |no  |
|Deprecations?|n  |
|Tests Pass?  |yes|
|Fixed Tickets|   |
|License      |MIT|
|Doc PR       |   |

Fixer for `Single-line arrays should not have trailing comma.`
                   
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I do not understood this condition.
Can you provide a case showing why it is needed to check prevToken and its content?

By the way, please use strict in_array version