feat(minifier): remove empty [] and {} declaration

[armano2]

Expands check for should_remove_unused_declarator to include empty array and object pattern

[codspeed-hq]

CodSpeed Performance Report

Merging #16855 will not alter performance

_{Comparing armano2:feat/remove_empty_array_object_patterns (9b3470e) with main (b16fe64)}

Summary

✅ 38 untouched
⏩ 7 skipped¹

Footnotes

1. 7 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩