Remove LegacyPromise
Missing test for #2537 (e4c3b4501dffe5bd)
Removs missing test file for #926
Remove LegacyPromise in src/core/worker.js
Completes unit tests for PostScript evaluator and fixes two bugs in the evaluator itself
Merge pull request #4728 from Snuffleupagus/remove-LegacyPromise-worker.js

Remove LegacyPromise in src/core/worker.js
Optimized CalGrayCS's convertToRgb
Cleaner putBinaryImageData
Optimized PDFImage_undoPreblend
Optimized JPX's transformComponents
Optimized JPG.js - reduced memory usage + 2.16x faster getLinearizedBlockData

Linearize and scale the mcu blocks into the destination buffer in a single pass
Optimized JPG.js - 33% faster convertCmykToRgb
Merge pull request #4729 from Snuffleupagus/remove-LegacyPromise

Remove LegacyPromise
Merge pull request #4733 from timvandermeij/postscript-unit-tests

Completes unit tests for PostScript evaluator and fixes two bugs in the evaluator itself
Merge pull request #4708 from p01/graphic_optimizations_1

Graphic optimizations 1
Merge pull request #4732 from yurydelendik/newtest

Fixes tests for #926 and #2537