Remove redundant delete operations.
#24
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Per https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/delete#description , the operator does not actually free memory, but simply removes a reference to that memory, allowing it to be garbage collected later. This is similar to the `= null` assignments that happen on the very next lines.
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Per MDN, the operator does not actually free memory, but simply removes a reference, allowing it to be garbage collected later. This is similar to the
= nullassignments that happen on the very next lines.